1397588 has 6 divisors (see below), whose sum is σ = 2445786. Its totient is φ = 698792.

The previous prime is 1397581. The next prime is 1397603. The reversal of 1397588 is 8857931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 183184 = 1102^2 + 428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174695 + ... + 174702.

It is an arithmetic number, because the mean of its divisors is an integer number (407631).

2^1397588 is an apocalyptic number.

It is an amenable number.

1397588 is a deficient number, since it is larger than the sum of its proper divisors (1048198).

1397588 is a wasteful number, since it uses less digits than its factorization.

1397588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349401 (or 349399 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 1397588 is about 1182.1962612020. The cubic root of 1397588 is about 111.8046125702.

The spelling of 1397588 in words is "one million, three hundred ninety-seven thousand, five hundred eighty-eight".