397483320 has 128 divisors (see below), whose sum is σ = 1305541440. Its totient is φ = 96215040.

The previous prime is 397483297. The next prime is 397483351. The reversal of 397483320 is 23384793.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93072 + ... + 97248.

Almost surely, 2^397483320 is an apocalyptic number.

397483320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397483320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652770720).

397483320 is an abundant number, since it is smaller than the sum of its proper divisors (908058120).

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

397483320 is a wasteful number, since it uses less digits than its factorization.

397483320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265 (or 4261 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 397483320 is about 19936.9837237231. The cubic root of 397483320 is about 735.2577928609.

The spelling of 397483320 in words is "three hundred ninety-seven million, four hundred eighty-three thousand, three hundred twenty".