1399626376 has 16 divisors (see below), whose sum is σ = 2628291600. Its totient is φ = 698748624.

The previous prime is 1399626353. The next prime is 1399626413. The reversal of 1399626376 is 6736269931.

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, 127470 + ... + 138013.

It is an arithmetic number, because the mean of its divisors is an integer number (164268225).

Almost surely, 2^1399626376 is an apocalyptic number.

It is an amenable number.

1399626376 is a deficient number, since it is larger than the sum of its proper divisors (1228665224).

1399626376 is a wasteful number, since it uses less digits than its factorization.

1399626376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266148 (or 266144 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The square root of 1399626376 is about 37411.5807738727. The cubic root of 1399626376 is about 1118.5894167898.

The spelling of 1399626376 in words is "one billion, three hundred ninety-nine million, six hundred twenty-six thousand, three hundred seventy-six".