3625407 has 6 divisors (see below), whose sum is σ = 5236712. Its totient is φ = 2416932.

The previous prime is 3625397. The next prime is 3625411. The reversal of 3625407 is 7045263.

It is a happy number.

It is not a de Polignac number, because 3625407 - 2⁸ = 3625151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201403 + ... + 201420.

Almost surely, 2^3625407 is an apocalyptic number.

3625407 is a deficient number, since it is larger than the sum of its proper divisors (1611305).

3625407 is a wasteful number, since it uses less digits than its factorization.

3625407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402829 (or 402826 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3625407 is about 1904.0501569024. The cubic root of 3625407 is about 153.6215901861.

The spelling of 3625407 in words is "three million, six hundred twenty-five thousand, four hundred seven".