1397585 has 16 divisors (see below), whose sum is σ = 1946496. Its totient is φ = 943488.

The previous prime is 1397581. The next prime is 1397603. The reversal of 1397585 is 5857931.

It is not a de Polignac number, because 1397585 - 2² = 1397581 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 in 15 ways as a sum of consecutive naturals, for example, 2282 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (121656).

2^1397585 is an apocalyptic number.

It is an amenable number.

1397585 is a deficient number, since it is larger than the sum of its proper divisors (548911).

1397585 is an equidigital number, since it uses as much as digits as its factorization.

1397585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 37800, while the sum is 38.

The square root of 1397585 is about 1182.1949923765. The cubic root of 1397585 is about 111.8045325718.

The spelling of 1397585 in words is "one million, three hundred ninety-seven thousand, five hundred eighty-five".