397343352 has 96 divisors (see below), whose sum is σ = 1216425600. Its totient is φ = 107545536.

The previous prime is 397343351. The next prime is 397343389. The reversal of 397343352 is 253343793.

It is a self number, because there is not a number n which added to its sum of digits gives 397343352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397343351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13453 + ... + 31235.

It is an arithmetic number, because the mean of its divisors is an integer number (12671100).

Almost surely, 2^397343352 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 397343352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608212800).

397343352 is an abundant number, since it is smaller than the sum of its proper divisors (819082248).

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

397343352 is a wasteful number, since it uses less digits than its factorization.

397343352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17825 (or 17814 counting only the distinct ones).

The product of its digits is 204120, while the sum is 39.

The square root of 397343352 is about 19933.4731544706. The cubic root of 397343352 is about 735.1714792643.

The spelling of 397343352 in words is "three hundred ninety-seven million, three hundred forty-three thousand, three hundred fifty-two".