399404162 has 4 divisors (see below), whose sum is σ = 599106246. Its totient is φ = 199702080.

The previous prime is 399404147. The next prime is 399404191. The reversal of 399404162 is 261404993.

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., 380211001 + 19193161 = 19499^2 + 4381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99851039 + ... + 99851042.

Almost surely, 2^399404162 is an apocalyptic number.

399404162 is a deficient number, since it is larger than the sum of its proper divisors (199702084).

399404162 is a wasteful number, since it uses less digits than its factorization.

399404162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199702083.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 399404162 is about 19985.0984986314. The cubic root of 399404162 is about 736.4402702626.

The spelling of 399404162 in words is "three hundred ninety-nine million, four hundred four thousand, one hundred sixty-two".