3004428 has 48 divisors (see below), whose sum is σ = 8193024. Its totient is φ = 839040.

The previous prime is 3004423. The next prime is 3004493. The reversal of 3004428 is 8244003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3004423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568 + ... + 4328.

It is an arithmetic number, because the mean of its divisors is an integer number (170688).

Almost surely, 2^3004428 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 3004428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4096512).

3004428 is an abundant number, since it is smaller than the sum of its proper divisors (5188596).

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

3004428 is a wasteful number, since it uses less digits than its factorization.

3004428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3004428 is about 1733.3285897371. The cubic root of 3004428 is about 144.2958808265.

The spelling of 3004428 in words is "three million, four thousand, four hundred twenty-eight".