399683362 has 16 divisors (see below), whose sum is σ = 683622072. Its totient is φ = 173617920.

The previous prime is 399683327. The next prime is 399683381. The reversal of 399683362 is 263386993.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 389628121 + 10055241 = 19739^2 + 3171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451689 + ... + 452572.

Almost surely, 2^399683362 is an apocalyptic number.

399683362 is a deficient number, since it is larger than the sum of its proper divisors (283938710).

399683362 is a wasteful number, since it uses less digits than its factorization.

399683362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904293.

The product of its digits is 1259712, while the sum is 49.

The square root of 399683362 is about 19992.0824828230. The cubic root of 399683362 is about 736.6118310113.

The spelling of 399683362 in words is "three hundred ninety-nine million, six hundred eighty-three thousand, three hundred sixty-two".