3964974623 has 16 divisors (see below), whose sum is σ = 4232964096. Its totient is φ = 3705905280.

The previous prime is 3964974593. The next prime is 3964974641. The reversal of 3964974623 is 3264794693.

It is a cyclic number.

It is not a de Polignac number, because 3964974623 - 2²⁰ = 3963926047 is a prime.

It is a super-2 number, since 2×3964974623² = 31442047522067984258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964977623) 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, 173786 + ... + 195272.

It is an arithmetic number, because the mean of its divisors is an integer number (264560256).

Almost surely, 2^3964974623 is an apocalyptic number.

3964974623 is a deficient number, since it is larger than the sum of its proper divisors (267989473).

3964974623 is a wasteful number, since it uses less digits than its factorization.

3964974623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694.

The product of its digits is 5878656, while the sum is 53.

The square root of 3964974623 is about 62968.0444590746. The cubic root of 3964974623 is about 1582.7541855815.

The spelling of 3964974623 in words is "three billion, nine hundred sixty-four million, nine hundred seventy-four thousand, six hundred twenty-three".