39690325 has 24 divisors (see below), whose sum is σ = 53246592. Its totient is φ = 29233920.

The previous prime is 39690283. The next prime is 39690347. The reversal of 39690325 is 52309693.

It is not a de Polignac number, because 39690325 - 2²⁵ = 6135893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18982 + ... + 20968.

It is an arithmetic number, because the mean of its divisors is an integer number (2218608).

Almost surely, 2^39690325 is an apocalyptic number.

It is an amenable number.

39690325 is a deficient number, since it is larger than the sum of its proper divisors (13556267).

39690325 is a wasteful number, since it uses less digits than its factorization.

39690325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 39690325 is about 6300.0257935980. The cubic root of 39690325 is about 341.1103405933.

The spelling of 39690325 in words is "thirty-nine million, six hundred ninety thousand, three hundred twenty-five".