396960826 has 8 divisors (see below), whose sum is σ = 602131860. Its totient is φ = 196250208.

The previous prime is 396960757. The next prime is 396960833. The reversal of 396960826 is 628069693.

It can be written as a sum of positive squares in 2 ways, for example, as 388050601 + 8910225 = 19699^2 + 2985^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 396960826.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114881 + ... + 1115236.

Almost surely, 2^396960826 is an apocalyptic number.

396960826 is a deficient number, since it is larger than the sum of its proper divisors (205171034).

396960826 is a wasteful number, since it uses less digits than its factorization.

396960826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230208.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 396960826 is about 19923.8757775690. The cubic root of 396960826 is about 734.9354847965.

The spelling of 396960826 in words is "three hundred ninety-six million, nine hundred sixty thousand, eight hundred twenty-six".