3926797216 has 24 divisors (see below), whose sum is σ = 7742762244. Its totient is φ = 1960381440.

The previous prime is 3926797211. The next prime is 3926797307. The reversal of 3926797216 is 6127976293.

It can be written as a sum of positive squares in 2 ways, for example, as 3502272400 + 424524816 = 59180^2 + 20604^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3926797211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73065 + ... + 114856.

Almost surely, 2^3926797216 is an apocalyptic number.

It is an amenable number.

3926797216 is a deficient number, since it is larger than the sum of its proper divisors (3815965028).

3926797216 is a wasteful number, since it uses less digits than its factorization.

3926797216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188584 (or 188576 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The square root of 3926797216 is about 62664.1621343492. The cubic root of 3926797216 is about 1577.6578575758.

The spelling of 3926797216 in words is "three billion, nine hundred twenty-six million, seven hundred ninety-seven thousand, two hundred sixteen".