3625506 has 16 divisors (see below), whose sum is σ = 8056800. Its totient is φ = 1208484.

The previous prime is 3625487. The next prime is 3625511. The reversal of 3625506 is 6055263.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3625506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33516 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (503550).

Almost surely, 2^3625506 is an apocalyptic number.

3625506 is an abundant number, since it is smaller than the sum of its proper divisors (4431294).

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

3625506 is a wasteful number, since it uses less digits than its factorization.

3625506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67150 (or 67144 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3625506 is about 1904.0761539392. The cubic root of 3625506 is about 153.6229885026.

The spelling of 3625506 in words is "three million, six hundred twenty-five thousand, five hundred six".