3625688 has 16 divisors (see below), whose sum is σ = 7416360. Its totient is φ = 1648000.

The previous prime is 3625681. The next prime is 3625693. The reversal of 3625688 is 8865263.

It is a super-2 number, since 2×3625688² = 26291226946688, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 6⁸ + 2¹⁸ + 5³ + 6⁸ + 8² + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625681) 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, 20513 + ... + 20688.

Almost surely, 2^3625688 is an apocalyptic number.

It is an amenable number.

3625688 is an abundant number, since it is smaller than the sum of its proper divisors (3790672).

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

3625688 is a wasteful number, since it uses less digits than its factorization.

3625688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41218 (or 41214 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 3625688 is about 1904.1239455456. The cubic root of 3625688 is about 153.6255590786.

The spelling of 3625688 in words is "three million, six hundred twenty-five thousand, six hundred eighty-eight".