3949493768 has 32 divisors (see below), whose sum is σ = 8180784000. Its totient is φ = 1772496960.

The previous prime is 3949493753. The next prime is 3949493773. The reversal of 3949493768 is 8673949493.

3949493768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3949493768.

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, 277103 + ... + 291006.

It is an arithmetic number, because the mean of its divisors is an integer number (255649500).

Almost surely, 2^3949493768 is an apocalyptic number.

It is an amenable number.

3949493768 is an abundant number, since it is smaller than the sum of its proper divisors (4231290232).

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

3949493768 is a wasteful number, since it uses less digits than its factorization.

3949493768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568205 (or 568201 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 62.

The square root of 3949493768 is about 62844.9979552868. The cubic root of 3949493768 is about 1580.6915959653.

The spelling of 3949493768 in words is "three billion, nine hundred forty-nine million, four hundred ninety-three thousand, seven hundred sixty-eight".