399107162 has 4 divisors (see below), whose sum is σ = 598660746. Its totient is φ = 199553580.

The previous prime is 399107153. The next prime is 399107183. The reversal of 399107162 is 261701993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 215531761 + 183575401 = 14681^2 + 13549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99776789 + ... + 99776792.

Almost surely, 2^399107162 is an apocalyptic number.

399107162 is a deficient number, since it is larger than the sum of its proper divisors (199553584).

399107162 is a wasteful number, since it uses less digits than its factorization.

399107162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199553583.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 399107162 is about 19977.6665804593. Note that the first 3 decimals coincide. The cubic root of 399107162 is about 736.2576841188.

The spelling of 399107162 in words is "three hundred ninety-nine million, one hundred seven thousand, one hundred sixty-two".