399892325 has 12 divisors (see below), whose sum is σ = 566704800. Its totient is φ = 274211760.

The previous prime is 399892313. The next prime is 399892351. The reversal of 399892325 is 523298993.

It is not a de Polignac number, because 399892325 - 2¹⁸ = 399630181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142375 + ... + 1142724.

It is an arithmetic number, because the mean of its divisors is an integer number (47225400).

Almost surely, 2^399892325 is an apocalyptic number.

399892325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

399892325 is a deficient number, since it is larger than the sum of its proper divisors (166812475).

399892325 is a wasteful number, since it uses less digits than its factorization.

399892325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285116 (or 2285111 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The square root of 399892325 is about 19997.3079438208. The cubic root of 399892325 is about 736.7401807797.

The spelling of 399892325 in words is "three hundred ninety-nine million, eight hundred ninety-two thousand, three hundred twenty-five".