399882698 has 4 divisors (see below), whose sum is σ = 599824050. Its totient is φ = 199941348.

The previous prime is 399882673. The next prime is 399882701. The reversal of 399882698 is 896288993.

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., 350700529 + 49182169 = 18727^2 + 7013^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 399882698.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99970673 + ... + 99970676.

Almost surely, 2^399882698 is an apocalyptic number.

399882698 is a deficient number, since it is larger than the sum of its proper divisors (199941352).

399882698 is a wasteful number, since it uses less digits than its factorization.

399882698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199941351.

The product of its digits is 13436928, while the sum is 62.

The square root of 399882698 is about 19997.0672349722. The cubic root of 399882698 is about 736.7342686427.

The spelling of 399882698 in words is "three hundred ninety-nine million, eight hundred eighty-two thousand, six hundred ninety-eight".