4635636 has 12 divisors (see below), whose sum is σ = 10816512. Its totient is φ = 1545208.

The previous prime is 4635629. The next prime is 4635637. The reversal of 4635636 is 6365364.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4635636² = 42978242248992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4635597 and 4635606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4635637) 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, 193140 + ... + 193163.

It is an arithmetic number, because the mean of its divisors is an integer number (901376).

Almost surely, 2^4635636 is an apocalyptic number.

It is an amenable number.

4635636 is an abundant number, since it is smaller than the sum of its proper divisors (6180876).

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

4635636 is a wasteful number, since it uses less digits than its factorization.

4635636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386310 (or 386308 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 4635636 is about 2153.0527164935. The cubic root of 4635636 is about 166.7387119635.

The spelling of 4635636 in words is "four million, six hundred thirty-five thousand, six hundred thirty-six".