397430463 has 4 divisors (see below), whose sum is σ = 529907288. Its totient is φ = 264953640.

The previous prime is 397430461. The next prime is 397430483. The reversal of 397430463 is 364034793.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 397430463 - 2¹ = 397430461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397430461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66238408 + ... + 66238413.

It is an arithmetic number, because the mean of its divisors is an integer number (132476822).

Almost surely, 2^397430463 is an apocalyptic number.

397430463 is a deficient number, since it is larger than the sum of its proper divisors (132476825).

397430463 is a wasteful number, since it uses less digits than its factorization.

397430463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132476824.

The product of its (nonzero) digits is 163296, while the sum is 39.

The square root of 397430463 is about 19935.6580779266. The cubic root of 397430463 is about 735.2252000937.

The spelling of 397430463 in words is "three hundred ninety-seven million, four hundred thirty thousand, four hundred sixty-three".