1396396684 has 12 divisors (see below), whose sum is σ = 2449852384. Its totient is φ = 696438864.

The previous prime is 1396396667. The next prime is 1396396693. The reversal of 1396396684 is 4866936931.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 438084 + ... + 441259.

Almost surely, 2^1396396684 is an apocalyptic number.

It is an amenable number.

1396396684 is a deficient number, since it is larger than the sum of its proper divisors (1053455700).

1396396684 is a wasteful number, since it uses less digits than its factorization.

1396396684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879744 (or 879742 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 55.

The square root of 1396396684 is about 37368.3915094027. The cubic root of 1396396684 is about 1117.7283580256.

The spelling of 1396396684 in words is "one billion, three hundred ninety-six million, three hundred ninety-six thousand, six hundred eighty-four".