1397360 has 20 divisors (see below), whose sum is σ = 3249048. Its totient is φ = 558912.

The previous prime is 1397359. The next prime is 1397437. The reversal of 1397360 is 637931.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1397360² = 3905229939200, which contains 22 as substring.

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, 8654 + ... + 8813.

2^1397360 is an apocalyptic number.

1397360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397360 is an abundant number, since it is smaller than the sum of its proper divisors (1851688).

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

1397360 is a wasteful number, since it uses less digits than its factorization.

1397360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17480 (or 17474 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1397360 is about 1182.0998265798. The cubic root of 1397360 is about 111.7985323715.

The spelling of 1397360 in words is "one million, three hundred ninety-seven thousand, three hundred sixty".