6435604 has 24 divisors (see below), whose sum is σ = 13549760. Its totient is φ = 2612736.

The previous prime is 6435601. The next prime is 6435613. The reversal of 6435604 is 4065346.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6435601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517 + ... + 6580.

Almost surely, 2^6435604 is an apocalyptic number.

It is an amenable number.

6435604 is an abundant number, since it is smaller than the sum of its proper divisors (7114156).

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

6435604 is a wasteful number, since it uses less digits than its factorization.

6435604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127 (or 12125 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6435604 is about 2536.8492268954. The cubic root of 6435604 is about 186.0072067196.

The spelling of 6435604 in words is "six million, four hundred thirty-five thousand, six hundred four".