397362469 has 4 divisors (see below), whose sum is σ = 454128544. Its totient is φ = 340596396.

The previous prime is 397362457. The next prime is 397362547. The reversal of 397362469 is 964263793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964263793 = 541 ⋅1782373.

It is not a de Polignac number, because 397362469 - 2⁷ = 397362341 is a prime.

It is a super-2 number, since 2×397362469² = 315793863539551922, 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 (397362439) 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, 28383027 + ... + 28383040.

It is an arithmetic number, because the mean of its divisors is an integer number (113532136).

Almost surely, 2^397362469 is an apocalyptic number.

It is an amenable number.

397362469 is a deficient number, since it is larger than the sum of its proper divisors (56766075).

397362469 is an equidigital number, since it uses as much as digits as its factorization.

397362469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56766074.

The product of its digits is 1469664, while the sum is 49.

The square root of 397362469 is about 19933.9526687509. The cubic root of 397362469 is about 735.1832692755.

The spelling of 397362469 in words is "three hundred ninety-seven million, three hundred sixty-two thousand, four hundred sixty-nine".