399100274 has 16 divisors (see below), whose sum is σ = 605803968. Its totient is φ = 197180112.

The previous prime is 399100259. The next prime is 399100321. The reversal of 399100274 is 472001993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54329 + ... + 61235.

It is an arithmetic number, because the mean of its divisors is an integer number (37862748).

Almost surely, 2^399100274 is an apocalyptic number.

399100274 is a deficient number, since it is larger than the sum of its proper divisors (206703694).

399100274 is a wasteful number, since it uses less digits than its factorization.

399100274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 399100274 is about 19977.4941872098. The cubic root of 399100274 is about 736.2534485211.

The spelling of 399100274 in words is "three hundred ninety-nine million, one hundred thousand, two hundred seventy-four".