396975650 has 24 divisors (see below), whose sum is σ = 739415844. Its totient is φ = 158566400.

The previous prime is 396975641. The next prime is 396975727. The reversal of 396975650 is 56579693.

It can be written as a sum of positive squares in 6 ways, for example, as 46799281 + 350176369 = 6841^2 + 18713^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32834 + ... + 43266.

Almost surely, 2^396975650 is an apocalyptic number.

396975650 is a deficient number, since it is larger than the sum of its proper divisors (342440194).

396975650 is a wasteful number, since it uses less digits than its factorization.

396975650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206 (or 11201 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 50.

The square root of 396975650 is about 19924.2477900673. The cubic root of 396975650 is about 734.9446330947.

The spelling of 396975650 in words is "three hundred ninety-six million, nine hundred seventy-five thousand, six hundred fifty".