3831799986 has 64 divisors (see below), whose sum is σ = 10067155200. Its totient is φ = 1057045248.

The previous prime is 3831799967. The next prime is 3831799997. The reversal of 3831799986 is 6899971383.

3831799986 is a `hidden beast` number, since 383 + 179 + 9 + 9 + 86 = 666.

It is a super-2 number, since 2×3831799986² = 29365382265419200392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163815 + ... + 185738.

It is an arithmetic number, because the mean of its divisors is an integer number (157299300).

Almost surely, 2^3831799986 is an apocalyptic number.

3831799986 is an abundant number, since it is smaller than the sum of its proper divisors (6235355214).

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

3831799986 is a wasteful number, since it uses less digits than its factorization.

3831799986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349600 (or 349594 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 3831799986 is about 61901.5346013328. The cubic root of 3831799986 is about 1564.8316103907.

The spelling of 3831799986 in words is "three billion, eight hundred thirty-one million, seven hundred ninety-nine thousand, nine hundred eighty-six".