1396219688 has 32 divisors (see below), whose sum is σ = 2641316160. Its totient is φ = 691891200.

The previous prime is 1396219661. The next prime is 1396219709. The reversal of 1396219688 is 8869126931.

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, 659720 + ... + 661832.

It is an arithmetic number, because the mean of its divisors is an integer number (82541130).

Almost surely, 2^1396219688 is an apocalyptic number.

It is an amenable number.

1396219688 is a deficient number, since it is larger than the sum of its proper divisors (1245096472).

1396219688 is a wasteful number, since it uses less digits than its factorization.

1396219688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2813 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 1396219688 is about 37366.0231761423. The cubic root of 1396219688 is about 1117.6811312813.

The spelling of 1396219688 in words is "one billion, three hundred ninety-six million, two hundred nineteen thousand, six hundred eighty-eight".