396207969 has 24 divisors (see below), whose sum is σ = 571207392. Its totient is φ = 244105920.

The previous prime is 396207961. The next prime is 396207971. The reversal of 396207969 is 969702693.

It is not a de Polignac number, because 396207969 - 2³ = 396207961 is a prime.

It is a super-2 number, since 2×396207969² = 313961509398209922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396207961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39942 + ... + 48864.

It is an arithmetic number, because the mean of its divisors is an integer number (23800308).

Almost surely, 2^396207969 is an apocalyptic number.

It is an amenable number.

396207969 is a deficient number, since it is larger than the sum of its proper divisors (174999423).

396207969 is a wasteful number, since it uses less digits than its factorization.

396207969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005 (or 8986 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 51.

The square root of 396207969 is about 19904.9734739838. The cubic root of 396207969 is about 734.4705762167.

The spelling of 396207969 in words is "three hundred ninety-six million, two hundred seven thousand, nine hundred sixty-nine".