3939974194 has 16 divisors (see below), whose sum is σ = 6368022360. Its totient is φ = 1817464320.

The previous prime is 3939974183. The next prime is 3939974219. The reversal of 3939974194 is 4914799393.

It can be written as a sum of positive squares in 4 ways, for example, as 2671545969 + 1268428225 = 51687^2 + 35615^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9004 + ... + 89224.

Almost surely, 2^3939974194 is an apocalyptic number.

3939974194 is a deficient number, since it is larger than the sum of its proper divisors (2428048166).

3939974194 is a wasteful number, since it uses less digits than its factorization.

3939974194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82125.

The product of its digits is 6613488, while the sum is 58.

The square root of 3939974194 is about 62769.2137436817. The cubic root of 3939974194 is about 1579.4205793466.

The spelling of 3939974194 in words is "three billion, nine hundred thirty-nine million, nine hundred seventy-four thousand, one hundred ninety-four".