3949171876 has 24 divisors (see below), whose sum is σ = 7880475960. Its totient is φ = 1715476992.

The previous prime is 3949171861. The next prime is 3949171879. The reversal of 3949171876 is 6781719493.

3949171876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 64641600 + 3884530276 = 8040^2 + 62326^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3949171879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232811 + ... + 2234578.

It is an arithmetic number, because the mean of its divisors is an integer number (328353165).

Almost surely, 2^3949171876 is an apocalyptic number.

It is an amenable number.

3949171876 is a deficient number, since it is larger than the sum of its proper divisors (3931304084).

3949171876 is a wasteful number, since it uses less digits than its factorization.

3949171876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467423 (or 4467421 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 55.

The square root of 3949171876 is about 62842.4369037357. The cubic root of 3949171876 is about 1580.6486515753.

The spelling of 3949171876 in words is "three billion, nine hundred forty-nine million, one hundred seventy-one thousand, eight hundred seventy-six".