1399609676 has 6 divisors (see below), whose sum is σ = 2449316940. Its totient is φ = 699804836.

The previous prime is 1399609591. The next prime is 1399609721. The reversal of 1399609676 is 6769069931.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174951206 + ... + 174951213.

It is an arithmetic number, because the mean of its divisors is an integer number (408219490).

Almost surely, 2^1399609676 is an apocalyptic number.

It is an amenable number.

1399609676 is a deficient number, since it is larger than the sum of its proper divisors (1049707264).

1399609676 is a wasteful number, since it uses less digits than its factorization.

1399609676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349902423 (or 349902421 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 1399609676 is about 37411.3575802857. The cubic root of 1399609676 is about 1118.5849678603.

The spelling of 1399609676 in words is "one billion, three hundred ninety-nine million, six hundred nine thousand, six hundred seventy-six".