396131269 has 8 divisors (see below), whose sum is σ = 403545728. Its totient is φ = 388761120.

The previous prime is 396131249. The next prime is 396131291. The reversal of 396131269 is 962131693.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396131269 is a prime.

It is a super-2 number, since 2×396131269² = 313839964559100722, 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 (396131249) 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, 7249 + ... + 29065.

It is an arithmetic number, because the mean of its divisors is an integer number (50443216).

Almost surely, 2^396131269 is an apocalyptic number.

It is an amenable number.

396131269 is a deficient number, since it is larger than the sum of its proper divisors (7414459).

396131269 is a wasteful number, since it uses less digits than its factorization.

396131269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155.

The product of its digits is 52488, while the sum is 40.

The square root of 396131269 is about 19903.0467265693. The cubic root of 396131269 is about 734.4231789463.

The spelling of 396131269 in words is "three hundred ninety-six million, one hundred thirty-one thousand, two hundred sixty-nine".