1396949872 has 10 divisors (see below), whose sum is σ = 2706590408. Its totient is φ = 698474928.

The previous prime is 1396949849. The next prime is 1396949893. The reversal of 1396949872 is 2789496931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43654668 + ... + 43654699.

Almost surely, 2^1396949872 is an apocalyptic number.

It is an amenable number.

1396949872 is a deficient number, since it is larger than the sum of its proper divisors (1309640536).

1396949872 is an equidigital number, since it uses as much as digits as its factorization.

1396949872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87309375 (or 87309369 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The square root of 1396949872 is about 37375.7925936026. The cubic root of 1396949872 is about 1117.8759360243.

The spelling of 1396949872 in words is "one billion, three hundred ninety-six million, nine hundred forty-nine thousand, eight hundred seventy-two".