3949242756 has 24 divisors (see below), whose sum is σ = 9216175584. Its totient is φ = 1316232000.

The previous prime is 3949242709. The next prime is 3949242779. The reversal of 3949242756 is 6572429493.

It is a junction number, because it is equal to n+sod(n) for n = 3949242699 and 3949242708.

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, 89731 + ... + 126293.

It is an arithmetic number, because the mean of its divisors is an integer number (384007316).

Almost surely, 2^3949242756 is an apocalyptic number.

It is an amenable number.

3949242756 is an abundant number, since it is smaller than the sum of its proper divisors (5266932828).

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

3949242756 is a wasteful number, since it uses less digits than its factorization.

3949242756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45571 (or 45569 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 3949242756 is about 62843.0008513279. Note that the first 3 decimals coincide. The cubic root of 3949242756 is about 1580.6581080478.

The spelling of 3949242756 in words is "three billion, nine hundred forty-nine million, two hundred forty-two thousand, seven hundred fifty-six".