1397900 has 36 divisors (see below), whose sum is σ = 3468528. Its totient is φ = 479040.

The previous prime is 1397881. The next prime is 1397909. The reversal of 1397900 is 97931.

It is not an unprimeable number, because it can be changed into a prime (1397909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (96348).

2^1397900 is an apocalyptic number.

1397900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397900 is an abundant number, since it is smaller than the sum of its proper divisors (2070628).

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

1397900 is a wasteful number, since it uses less digits than its factorization.

1397900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1397900 is about 1182.3282116232. The cubic root of 1397900 is about 111.8129317705.

The spelling of 1397900 in words is "one million, three hundred ninety-seven thousand, nine hundred".