1397316960 has 384 divisors, whose sum is σ = 5334336000. Its totient is φ = 339572736.

The previous prime is 1397316929. The next prime is 1397316983. The reversal of 1397316960 is 696137931.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7806151 + ... + 7806329.

It is an arithmetic number, because the mean of its divisors is an integer number (13891500).

Almost surely, 2^1397316960 is an apocalyptic number.

1397316960 is a gapful number since it is divisible by the number (10) 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 1397316960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667168000).

1397316960 is an abundant number, since it is smaller than the sum of its proper divisors (3937019040).

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

1397316960 is a wasteful number, since it uses less digits than its factorization.

1397316960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 1397316960 is about 37380.7030431478. The cubic root of 1397316960 is about 1117.9738452646.

The spelling of 1397316960 in words is "one billion, three hundred ninety-seven million, three hundred sixteen thousand, nine hundred sixty".