396630969 has 8 divisors (see below), whose sum is σ = 604390080. Its totient is φ = 226646256.

The previous prime is 396630943. The next prime is 396630989. The reversal of 396630969 is 969036693.

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

It is not a de Polignac number, because 396630969 - 2⁵ = 396630937 is a prime.

It is a super-2 number, since 2×396630969² = 314632251139757922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396630919) 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, 9443574 + ... + 9443615.

It is an arithmetic number, because the mean of its divisors is an integer number (75548760).

Almost surely, 2^396630969 is an apocalyptic number.

It is an amenable number.

396630969 is a deficient number, since it is larger than the sum of its proper divisors (207759111).

396630969 is a wasteful number, since it uses less digits than its factorization.

396630969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887199.

The product of its (nonzero) digits is 1417176, while the sum is 51.

The square root of 396630969 is about 19915.5961246456. The cubic root of 396630969 is about 734.7318620231.

The spelling of 396630969 in words is "three hundred ninety-six million, six hundred thirty thousand, nine hundred sixty-nine".