1396921368 has 32 divisors (see below), whose sum is σ = 3523215600. Its totient is φ = 461518848.

The previous prime is 1396921367. The next prime is 1396921381. The reversal of 1396921368 is 8631296931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396921367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254833 + ... + 260256.

Almost surely, 2^1396921368 is an apocalyptic number.

It is an amenable number.

1396921368 is an abundant number, since it is smaller than the sum of its proper divisors (2126294232).

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

1396921368 is a wasteful number, since it uses less digits than its factorization.

1396921368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515211 (or 515207 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 1396921368 is about 37375.4112753291. The cubic root of 1396921368 is about 1117.8683327564.

The spelling of 1396921368 in words is "one billion, three hundred ninety-six million, nine hundred twenty-one thousand, three hundred sixty-eight".