1399360684 has 12 divisors (see below), whose sum is σ = 2452430008. Its totient is φ = 698666400.

The previous prime is 1399360663. The next prime is 1399360723. The reversal of 1399360684 is 4860639931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250377 + ... + 255904.

Almost surely, 2^1399360684 is an apocalyptic number.

It is an amenable number.

1399360684 is a deficient number, since it is larger than the sum of its proper divisors (1053069324).

1399360684 is a wasteful number, since it uses less digits than its factorization.

1399360684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506976 (or 506974 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 1399360684 is about 37408.0296727855. The cubic root of 1399360684 is about 1118.5186314545.

The spelling of 1399360684 in words is "one billion, three hundred ninety-nine million, three hundred sixty thousand, six hundred eighty-four".