7328904 has 128 divisors (see below), whose sum is σ = 22394880. Its totient is φ = 1971200.

The previous prime is 7328903. The next prime is 7328939. The reversal of 7328904 is 4098237.

7328904 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7328903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103189 + ... + 103259.

It is an arithmetic number, because the mean of its divisors is an integer number (174960).

Almost surely, 2^7328904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7328904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11197440).

7328904 is an abundant number, since it is smaller than the sum of its proper divisors (15065976).

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

7328904 is a wasteful number, since it uses less digits than its factorization.

7328904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 7328904 is about 2707.1948581511. The cubic root of 7328904 is about 194.2434326758.

The spelling of 7328904 in words is "seven million, three hundred twenty-eight thousand, nine hundred four".