399703204 has 6 divisors (see below), whose sum is σ = 699480614. Its totient is φ = 199851600.

The previous prime is 399703169. The next prime is 399703207. The reversal of 399703204 is 402307993.

It can be written as a sum of positive squares in only one way, i.e., 396806400 + 2896804 = 19920^2 + 1702^2 .

It is not an unprimeable number, because it can be changed into a prime (399703207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49962897 + ... + 49962904.

Almost surely, 2^399703204 is an apocalyptic number.

It is an amenable number.

399703204 is a deficient number, since it is larger than the sum of its proper divisors (299777410).

399703204 is a wasteful number, since it uses less digits than its factorization.

399703204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99925805 (or 99925803 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 399703204 is about 19992.5787231162. The cubic root of 399703204 is about 736.6240203354.

The spelling of 399703204 in words is "three hundred ninety-nine million, seven hundred three thousand, two hundred four".