4635645 has 64 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 1956864.

The previous prime is 4635637. The next prime is 4635649. The reversal of 4635645 is 5465364.

It is not a de Polignac number, because 4635645 - 2³ = 4635637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87439 + ... + 87491.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^4635645 is an apocalyptic number.

It is an amenable number.

4635645 is an abundant number, since it is smaller than the sum of its proper divisors (4695555).

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

4635645 is a wasteful number, since it uses less digits than its factorization.

4635645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 85 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 4635645 is about 2153.0548065481. The cubic root of 4635645 is about 166.7388198701.

The spelling of 4635645 in words is "four million, six hundred thirty-five thousand, six hundred forty-five".