397464793 has 6 divisors (see below), whose sum is σ = 436882922. Its totient is φ = 361331520.

The previous prime is 397464791. The next prime is 397464797.

397464793 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 355058649 + 42406144 = 18843^2 + 6512^2 .

It is not a de Polignac number, because 397464793 - 2¹ = 397464791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397464793.

It is not an unprimeable number, because it can be changed into a prime (397464791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1642296 + ... + 1642537.

Almost surely, 2^397464793 is an apocalyptic number.

It is an amenable number.

397464793 is a deficient number, since it is larger than the sum of its proper divisors (39418129).

397464793 is a wasteful number, since it uses less digits than its factorization.

397464793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284855 (or 3284844 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 52.

The square root of 397464793 is about 19936.5190793177. The cubic root of 397464793 is about 735.2463690417.

The spelling of 397464793 in words is "three hundred ninety-seven million, four hundred sixty-four thousand, seven hundred ninety-three".