1397662 has 8 divisors (see below), whose sum is σ = 2396016. Its totient is φ = 598992.

The previous prime is 1397657. The next prime is 1397681. The reversal of 1397662 is 2667931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49903 + ... + 49930.

It is an arithmetic number, because the mean of its divisors is an integer number (299502).

2^1397662 is an apocalyptic number.

1397662 is a deficient number, since it is larger than the sum of its proper divisors (998354).

1397662 is an equidigital number, since it uses as much as digits as its factorization.

1397662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99842.

The product of its digits is 13608, while the sum is 34.

The square root of 1397662 is about 1182.2275584675. The cubic root of 1397662 is about 111.8065858258.

The spelling of 1397662 in words is "one million, three hundred ninety-seven thousand, six hundred sixty-two".