1397700 has 54 divisors (see below), whose sum is σ = 4383834. Its totient is φ = 372480.

The previous prime is 1397681. The next prime is 1397717. The reversal of 1397700 is 77931.

It can be written as a sum of positive squares in 3 ways, for example, as 576 + 1397124 = 24^2 + 1182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 124 + ... + 1676.

2^1397700 is an apocalyptic number.

1397700 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 1397700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191917).

1397700 is an abundant number, since it is smaller than the sum of its proper divisors (2986134).

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

1397700 is a wasteful number, since it uses less digits than its factorization.

1397700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 1397700 is about 1182.2436297143. The cubic root of 1397700 is about 111.8075990922.

The spelling of 1397700 in words is "one million, three hundred ninety-seven thousand, seven hundred".