1396412928 has 120 divisors (see below), whose sum is σ = 4091197968. Its totient is φ = 458422272.

The previous prime is 1396412909. The next prime is 1396412933. The reversal of 1396412928 is 8292146931.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306475 + ... + 310997.

Almost surely, 2^1396412928 is an apocalyptic number.

1396412928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396412928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045598984).

1396412928 is an abundant number, since it is smaller than the sum of its proper divisors (2694785040).

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

1396412928 is an equidigital number, since it uses as much as digits as its factorization.

1396412928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614 (or 4595 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1396412928 is about 37368.6088582382. The cubic root of 1396412928 is about 1117.7326921114.

The spelling of 1396412928 in words is "one billion, three hundred ninety-six million, four hundred twelve thousand, nine hundred twenty-eight".