399331202 has 4 divisors (see below), whose sum is σ = 598996806. Its totient is φ = 199665600.

The previous prime is 399331199. The next prime is 399331253. The reversal of 399331202 is 202133993.

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., 343694521 + 55636681 = 18539^2 + 7459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99832799 + ... + 99832802.

Almost surely, 2^399331202 is an apocalyptic number.

399331202 is a deficient number, since it is larger than the sum of its proper divisors (199665604).

399331202 is a wasteful number, since it uses less digits than its factorization.

399331202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199665603.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 399331202 is about 19983.2730552330. The cubic root of 399331202 is about 736.3954251665.

The spelling of 399331202 in words is "three hundred ninety-nine million, three hundred thirty-one thousand, two hundred two".