2904328 has 48 divisors (see below), whose sum is σ = 6566400. Its totient is φ = 1199520.

The previous prime is 2904323. The next prime is 2904329. The reversal of 2904328 is 8234092.

2904328 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2904328² = 16870242263168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2904296 and 2904305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12033 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

2^2904328 is an apocalyptic number.

2904328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2904328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3283200).

2904328 is an abundant number, since it is smaller than the sum of its proper divisors (3662072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2904328 is a wasteful number, since it uses less digits than its factorization.

2904328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2904328 is about 1704.2089073820. The cubic root of 2904328 is about 142.6752210008.

The spelling of 2904328 in words is "two million, nine hundred four thousand, three hundred twenty-eight".