397379469 has 8 divisors (see below), whose sum is σ = 542161312. Its totient is φ = 258758640.

The previous prime is 397379453. The next prime is 397379497. The reversal of 397379469 is 964973793.

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

It is not a de Polignac number, because 397379469 - 2⁴ = 397379453 is a prime.

It is a super-2 number, since 2×397379469² = 315820884765443922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397379419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540102 + ... + 1540359.

It is an arithmetic number, because the mean of its divisors is an integer number (67770164).

Almost surely, 2^397379469 is an apocalyptic number.

It is an amenable number.

397379469 is a deficient number, since it is larger than the sum of its proper divisors (144781843).

397379469 is a wasteful number, since it uses less digits than its factorization.

397379469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080507.

The product of its digits is 7715736, while the sum is 57.

The square root of 397379469 is about 19934.3790723463. The cubic root of 397379469 is about 735.1937533535.

The spelling of 397379469 in words is "three hundred ninety-seven million, three hundred seventy-nine thousand, four hundred sixty-nine".