397204302 has 64 divisors (see below), whose sum is σ = 905748480. Its totient is φ = 115029600.

The previous prime is 397204279. The next prime is 397204309. The reversal of 397204302 is 203402793.

It is a self number, because there is not a number n which added to its sum of digits gives 397204302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397204309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168649 + ... + 170987.

It is an arithmetic number, because the mean of its divisors is an integer number (14152320).

Almost surely, 2^397204302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397204302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452874240).

397204302 is an abundant number, since it is smaller than the sum of its proper divisors (508544178).

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

397204302 is a wasteful number, since it uses less digits than its factorization.

397204302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 397204302 is about 19929.9849974856. The cubic root of 397204302 is about 735.0857116944.

The spelling of 397204302 in words is "three hundred ninety-seven million, two hundred four thousand, three hundred two".