381083788 has 12 divisors (see below), whose sum is σ = 667113552. Its totient is φ = 190479920.

The previous prime is 381083783. The next prime is 381083797. The reversal of 381083788 is 887380183.

It is not an unprimeable number, because it can be changed into a prime (381083783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 27607.

It is an arithmetic number, because the mean of its divisors is an integer number (55592796).

Almost surely, 2^381083788 is an apocalyptic number.

It is an amenable number.

381083788 is a deficient number, since it is larger than the sum of its proper divisors (286029764).

381083788 is a wasteful number, since it uses less digits than its factorization.

381083788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30992 (or 30990 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 381083788 is about 19521.3674725927. The cubic root of 381083788 is about 725.0035912624.

The spelling of 381083788 in words is "three hundred eighty-one million, eighty-three thousand, seven hundred eighty-eight".