399462325 has 24 divisors (see below), whose sum is σ = 509753088. Its totient is φ = 310390080.

The previous prime is 399462319. The next prime is 399462337. The reversal of 399462325 is 523264993.

It is not a de Polignac number, because 399462325 - 2⁷ = 399462197 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, 135012 + ... + 137938.

It is an arithmetic number, because the mean of its divisors is an integer number (21239712).

Almost surely, 2^399462325 is an apocalyptic number.

It is an amenable number.

399462325 is a deficient number, since it is larger than the sum of its proper divisors (110290763).

399462325 is a wasteful number, since it uses less digits than its factorization.

399462325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3088 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 399462325 is about 19986.5536048614. The cubic root of 399462325 is about 736.4760164236.

The spelling of 399462325 in words is "three hundred ninety-nine million, four hundred sixty-two thousand, three hundred twenty-five".