3949876994 has 8 divisors (see below), whose sum is σ = 6771217728. Its totient is φ = 1692804420.

The previous prime is 3949876991. The next prime is 3949876999. The reversal of 3949876994 is 4996789493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3949876991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141067022 + ... + 141067049.

It is an arithmetic number, because the mean of its divisors is an integer number (846402216).

Almost surely, 2^3949876994 is an apocalyptic number.

3949876994 is a deficient number, since it is larger than the sum of its proper divisors (2821340734).

3949876994 is a wasteful number, since it uses less digits than its factorization.

3949876994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282134080.

The product of its digits is 105815808, while the sum is 68.

The square root of 3949876994 is about 62848.0468590711. The cubic root of 3949876994 is about 1580.7427200301.

The spelling of 3949876994 in words is "three billion, nine hundred forty-nine million, eight hundred seventy-six thousand, nine hundred ninety-four".