3994291744 has 24 divisors (see below), whose sum is σ = 7865173008. Its totient is φ = 1996787520.

The previous prime is 3994291657. The next prime is 3994291753. The reversal of 3994291744 is 4471924993.

It is a junction number, because it is equal to n+sod(n) for n = 3994291691 and 3994291700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327679 + ... + 339649.

It is an arithmetic number, because the mean of its divisors is an integer number (327715542).

Almost surely, 2^3994291744 is an apocalyptic number.

It is an amenable number.

3994291744 is a deficient number, since it is larger than the sum of its proper divisors (3870881264).

3994291744 is a wasteful number, since it uses less digits than its factorization.

3994291744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22408 (or 22400 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 3994291744 is about 63200.4093657628. The cubic root of 3994291744 is about 1586.6455848559.

The spelling of 3994291744 in words is "three billion, nine hundred ninety-four million, two hundred ninety-one thousand, seven hundred forty-four".