397662 has 16 divisors (see below), whose sum is σ = 801792. Its totient is φ = 131480.

The previous prime is 397643. The next prime is 397673. The reversal of 397662 is 266793.

397662 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

397662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (50112).

2³⁹⁷⁶⁶² is an apocalyptic number.

397662 is an abundant number, since it is smaller than the sum of its proper divisors (404130).

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

397662 is a wasteful number, since it uses less digits than its factorization.

397662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its digits is 13608, while the sum is 33.

The square root of 397662 is about 630.6044719156. The cubic root of 397662 is about 73.5367949418.

The spelling of 397662 in words is "three hundred ninety-seven thousand, six hundred sixty-two".