381743876 has 12 divisors (see below), whose sum is σ = 671914572. Its totient is φ = 189768288.

The previous prime is 381743867. The next prime is 381743897. The reversal of 381743876 is 678347183.

It can be written as a sum of positive squares in 2 ways, for example, as 367105600 + 14638276 = 19160^2 + 3826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381743876.

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, 275135 + ... + 276518.

It is an arithmetic number, because the mean of its divisors is an integer number (55992881).

Almost surely, 2^381743876 is an apocalyptic number.

It is an amenable number.

381743876 is a deficient number, since it is larger than the sum of its proper divisors (290170696).

381743876 is a wasteful number, since it uses less digits than its factorization.

381743876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551830 (or 551828 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 381743876 is about 19538.2669651123. The cubic root of 381743876 is about 725.4219508093.

The spelling of 381743876 in words is "three hundred eighty-one million, seven hundred forty-three thousand, eight hundred seventy-six".