1397956 has 12 divisors (see below), whose sum is σ = 2795968. Its totient is φ = 599112.

The previous prime is 1397953. The next prime is 1397959. The reversal of 1397956 is 6597931.

It is an interprime number because it is at equal distance from previous prime (1397953) and next prime (1397959).

1397956 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1397951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24936 + ... + 24991.

2^1397956 is an apocalyptic number.

It is an amenable number.

1397956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1397956 is a wasteful number, since it uses less digits than its factorization.

1397956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49938 (or 49936 counting only the distinct ones).

The product of its digits is 51030, while the sum is 40.

The square root of 1397956 is about 1182.3518934733. The cubic root of 1397956 is about 111.8144248293.

It can be divided in two parts, 13 and 97956, that added together give a square (97969 = 313²).

The spelling of 1397956 in words is "one million, three hundred ninety-seven thousand, nine hundred fifty-six".