3944979340 has 12 divisors (see below), whose sum is σ = 8284456656. Its totient is φ = 1577991728.

The previous prime is 3944979323. The next prime is 3944979361. The reversal of 3944979340 is 439794493.

It is an unprimeable number.

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, 98624464 + ... + 98624503.

It is an arithmetic number, because the mean of its divisors is an integer number (690371388).

Almost surely, 2^3944979340 is an apocalyptic number.

It is an amenable number.

3944979340 is an abundant number, since it is smaller than the sum of its proper divisors (4339477316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3944979340 is a wasteful number, since it uses less digits than its factorization.

3944979340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197248976 (or 197248974 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 52.

The square root of 3944979340 is about 62809.0705232931. The cubic root of 3944979340 is about 1580.0891019558.

The spelling of 3944979340 in words is "three billion, nine hundred forty-four million, nine hundred seventy-nine thousand, three hundred forty".