3304638 has 20 divisors (see below), whose sum is σ = 7405200. Its totient is φ = 1101492.

The previous prime is 3304633. The next prime is 3304643. The reversal of 3304638 is 8364033.

It is an interprime number because it is at equal distance from previous prime (3304633) and next prime (3304643).

It is a super-2 number, since 2×3304638² = 21841264622088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3304633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10038 + ... + 10361.

It is an arithmetic number, because the mean of its divisors is an integer number (370260).

Almost surely, 2^3304638 is an apocalyptic number.

3304638 is an abundant number, since it is smaller than the sum of its proper divisors (4100562).

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

3304638 is a wasteful number, since it uses less digits than its factorization.

3304638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20413 (or 20404 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3304638 is about 1817.8663317197. The cubic root of 3304638 is about 148.9502709292.

The spelling of 3304638 in words is "three million, three hundred four thousand, six hundred thirty-eight".