3985742876 has 12 divisors (see below), whose sum is σ = 7093271640. Its totient is φ = 1959093840.

The previous prime is 3985742869. The next prime is 3985742909. The reversal of 3985742876 is 6782475893.

It is a happy number.

3985742876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3985742876² = 31772292547169502752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

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, 8444135 + ... + 8444606.

It is an arithmetic number, because the mean of its divisors is an integer number (591105970).

Almost surely, 2^3985742876 is an apocalyptic number.

It is an amenable number.

3985742876 is a deficient number, since it is larger than the sum of its proper divisors (3107528764).

3985742876 is a wasteful number, since it uses less digits than its factorization.

3985742876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16888804 (or 16888802 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The square root of 3985742876 is about 63132.7401274489. The cubic root of 3985742876 is about 1585.5128256621.

The spelling of 3985742876 in words is "three billion, nine hundred eighty-five million, seven hundred forty-two thousand, eight hundred seventy-six".