1397235968 has 36 divisors (see below), whose sum is σ = 2878998528. Its totient is φ = 676078080.

The previous prime is 1397235953. The next prime is 1397235977. The reversal of 1397235968 is 8695327931.

It is a super-3 number, since 3×1397235968³ (a number of 28 digits) contains 333 as substring.

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, 80096 + ... + 95967.

Almost surely, 2^1397235968 is an apocalyptic number.

It is an amenable number.

1397235968 is an abundant number, since it is smaller than the sum of its proper divisors (1481762560).

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

1397235968 is an equidigital number, since it uses as much as digits as its factorization.

1397235968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176110 (or 176096 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 1397235968 is about 37379.6196877389. The cubic root of 1397235968 is about 1117.9522446568.

The spelling of 1397235968 in words is "one billion, three hundred ninety-seven million, two hundred thirty-five thousand, nine hundred sixty-eight".