3664625 has 16 divisors (see below), whose sum is σ = 4817280. Its totient is φ = 2775600.

The previous prime is 3664561. The next prime is 3664631. The reversal of 3664625 is 5264663.

It is not a de Polignac number, because 3664625 - 2⁶ = 3664561 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3664591 and 3664600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604 + ... + 3146.

It is an arithmetic number, because the mean of its divisors is an integer number (301080).

Almost surely, 2^3664625 is an apocalyptic number.

It is an amenable number.

3664625 is a deficient number, since it is larger than the sum of its proper divisors (1152655).

3664625 is a wasteful number, since it uses less digits than its factorization.

3664625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1567 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 3664625 is about 1914.3210284589. The cubic root of 3664625 is about 154.1735408022.

The spelling of 3664625 in words is "three million, six hundred sixty-four thousand, six hundred twenty-five".