1397964 has 24 divisors (see below), whose sum is σ = 3298288. Its totient is φ = 460800.

The previous prime is 1397959. The next prime is 1397983. The reversal of 1397964 is 4697931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564 + ... + 1764.

2^1397964 is an apocalyptic number.

It is an amenable number.

1397964 is an abundant number, since it is smaller than the sum of its proper divisors (1900324).

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

1397964 is a wasteful number, since it uses less digits than its factorization.

1397964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1303 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 1397964 is about 1182.3552765561. The cubic root of 1397964 is about 111.8146381201.

The spelling of 1397964 in words is "one million, three hundred ninety-seven thousand, nine hundred sixty-four".