1396921296 has 20 divisors (see below), whose sum is σ = 3608713472. Its totient is φ = 465640416.

The previous prime is 1396921259. The next prime is 1396921303. The reversal of 1396921296 is 6921296931.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 29102527 = 1396921296 / (1 + 3 + 9 + 6 + 9 + 2 + 1 + 2 + 9 + 6).

It is a congruent number.

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, 14551216 + ... + 14551311.

Almost surely, 2^1396921296 is an apocalyptic number.

1396921296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1396921296 is an abundant number, since it is smaller than the sum of its proper divisors (2211792176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1396921296 is a wasteful number, since it uses less digits than its factorization.

1396921296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29102538 (or 29102532 counting only the distinct ones).

The product of its digits is 314928, while the sum is 48.

The square root of 1396921296 is about 37375.4103121290. The cubic root of 1396921296 is about 1117.8683135507.

The spelling of 1396921296 in words is "one billion, three hundred ninety-six million, nine hundred twenty-one thousand, two hundred ninety-six".