396650889943 has 16 divisors (see below), whose sum is σ = 506026388736. Its totient is φ = 301890738240.

The previous prime is 396650889911. The next prime is 396650889953. The reversal of 396650889943 is 349988056693.

It is not a de Polignac number, because 396650889943 - 2⁵ = 396650889911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396650889953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59895646 + ... + 59902267.

It is an arithmetic number, because the mean of its divisors is an integer number (31626649296).

Almost surely, 2^396650889943 is an apocalyptic number.

396650889943 is a deficient number, since it is larger than the sum of its proper divisors (109375498793).

396650889943 is a wasteful number, since it uses less digits than its factorization.

396650889943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119797974.

The product of its (nonzero) digits is 302330880, while the sum is 70.

The spelling of 396650889943 in words is "three hundred ninety-six billion, six hundred fifty million, eight hundred eighty-nine thousand, nine hundred forty-three".