381043876 has 24 divisors (see below), whose sum is σ = 691137720. Its totient is φ = 183601152.

The previous prime is 381043777. The next prime is 381043913. The reversal of 381043876 is 678340183.

It can be written as a sum of positive squares in 4 ways, for example, as 101485476 + 279558400 = 10074^2 + 16720^2 .

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 7 ways as a sum of consecutive naturals, for example, 64086 + ... + 69778.

It is an arithmetic number, because the mean of its divisors is an integer number (28797405).

Almost surely, 2^381043876 is an apocalyptic number.

It is an amenable number.

381043876 is a deficient number, since it is larger than the sum of its proper divisors (310093844).

381043876 is a wasteful number, since it uses less digits than its factorization.

381043876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303 (or 6301 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 381043876 is about 19520.3451813742. The cubic root of 381043876 is about 724.9782798091.

The spelling of 381043876 in words is "three hundred eighty-one million, forty-three thousand, eight hundred seventy-six".