3645304 has 16 divisors (see below), whose sum is σ = 7360920. Its totient is φ = 1682400.

The previous prime is 3645289. The next prime is 3645307. The reversal of 3645304 is 4035463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17422 + ... + 17629.

Almost surely, 2^3645304 is an apocalyptic number.

It is an amenable number.

3645304 is an abundant number, since it is smaller than the sum of its proper divisors (3715616).

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

3645304 is a wasteful number, since it uses less digits than its factorization.

3645304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35070 (or 35066 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3645304 is about 1909.2679225295. The cubic root of 3645304 is about 153.9021135403.

The spelling of 3645304 in words is "three million, six hundred forty-five thousand, three hundred four".