397392 has 40 divisors (see below), whose sum is σ = 1089216. Its totient is φ = 124416.

The previous prime is 397379. The next prime is 397427. The reversal of 397392 is 293793.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573 + ... + 1059.

2³⁹⁷³⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544608).

397392 is an abundant number, since it is smaller than the sum of its proper divisors (691824).

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

397392 is a wasteful number, since it uses less digits than its factorization.

397392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 509 counting only the distinct ones).

The product of its digits is 10206, while the sum is 33.

The square root of 397392 is about 630.3903552562. The cubic root of 397392 is about 73.5201481161.

The spelling of 397392 in words is "three hundred ninety-seven thousand, three hundred ninety-two".