397345282 has 8 divisors (see below), whose sum is σ = 596777616. Its totient is φ = 198419412.

The previous prime is 397345253. The next prime is 397345297. The reversal of 397345282 is 282543793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124648 + ... + 127795.

It is an arithmetic number, because the mean of its divisors is an integer number (74597202).

Almost surely, 2^397345282 is an apocalyptic number.

397345282 is a deficient number, since it is larger than the sum of its proper divisors (199432334).

397345282 is a wasteful number, since it uses less digits than its factorization.

397345282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253232.

The product of its digits is 362880, while the sum is 43.

The square root of 397345282 is about 19933.5215654435. The cubic root of 397345282 is about 735.1726695687.

The spelling of 397345282 in words is "three hundred ninety-seven million, three hundred forty-five thousand, two hundred eighty-two".