3688025 has 12 divisors (see below), whose sum is σ = 4989264. Its totient is φ = 2682000.

The previous prime is 3688021. The next prime is 3688057. The reversal of 3688025 is 5208863.

It is not a de Polignac number, because 3688025 - 2² = 3688021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3687982 and 3688000.

It is not an unprimeable number, because it can be changed into a prime (3688021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6431 + ... + 6980.

It is an arithmetic number, because the mean of its divisors is an integer number (415772).

Almost surely, 2^3688025 is an apocalyptic number.

It is an amenable number.

3688025 is a deficient number, since it is larger than the sum of its proper divisors (1301239).

3688025 is a wasteful number, since it uses less digits than its factorization.

3688025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13432 (or 13427 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3688025 is about 1920.4231304585. The cubic root of 3688025 is about 154.5009967015.

The spelling of 3688025 in words is "three million, six hundred eighty-eight thousand, twenty-five".