399083625 has 32 divisors (see below), whose sum is σ = 737867520. Its totient is φ = 212842800.

The previous prime is 399083617. The next prime is 399083639. The reversal of 399083625 is 526380993.

It is not a de Polignac number, because 399083625 - 2³ = 399083617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55749 + ... + 62498.

It is an arithmetic number, because the mean of its divisors is an integer number (23058360).

Almost surely, 2^399083625 is an apocalyptic number.

It is an amenable number.

399083625 is a deficient number, since it is larger than the sum of its proper divisors (338783895).

399083625 is a wasteful number, since it uses less digits than its factorization.

399083625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118271 (or 118255 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 399083625 is about 19977.0774889622. The cubic root of 399083625 is about 736.2432104474.

The spelling of 399083625 in words is "three hundred ninety-nine million, eighty-three thousand, six hundred twenty-five".