3847223756 has 12 divisors (see below), whose sum is σ = 6772957968. Its totient is φ = 1912092912.

The previous prime is 3847223749. The next prime is 3847223767. The reversal of 3847223756 is 6573227483.

It is a super-2 number, since 2×3847223756² = 29602261257461495072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3847223756.

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, 2878991 + ... + 2880326.

It is an arithmetic number, because the mean of its divisors is an integer number (564413164).

Almost surely, 2^3847223756 is an apocalyptic number.

It is an amenable number.

3847223756 is a deficient number, since it is larger than the sum of its proper divisors (2925734212).

3847223756 is a wasteful number, since it uses less digits than its factorization.

3847223756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759488 (or 5759486 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The square root of 3847223756 is about 62025.9925837548. The cubic root of 3847223756 is about 1566.9283875014.

The spelling of 3847223756 in words is "three billion, eight hundred forty-seven million, two hundred twenty-three thousand, seven hundred fifty-six".