3625636 has 24 divisors (see below), whose sum is σ = 7486976. Its totient is φ = 1503360.

The previous prime is 3625621. The next prime is 3625649. The reversal of 3625636 is 6365263.

3625636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 3625598 and 3625607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221 + ... + 2956.

Almost surely, 2^3625636 is an apocalyptic number.

It is an amenable number.

3625636 is an abundant number, since it is smaller than the sum of its proper divisors (3861340).

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

3625636 is a wasteful number, since it uses less digits than its factorization.

3625636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4217 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 3625636 is about 1904.1102909233. The cubic root of 3625636 is about 153.6248246371.

The spelling of 3625636 in words is "three million, six hundred twenty-five thousand, six hundred thirty-six".