381854764 has 6 divisors (see below), whose sum is σ = 668245844. Its totient is φ = 190927380.

The previous prime is 381854701. The next prime is 381854777. The reversal of 381854764 is 467458183.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47731842 + ... + 47731849.

Almost surely, 2^381854764 is an apocalyptic number.

It is an amenable number.

381854764 is a deficient number, since it is larger than the sum of its proper divisors (286391080).

381854764 is a wasteful number, since it uses less digits than its factorization.

381854764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95463695 (or 95463693 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 381854764 is about 19541.1044723680. The cubic root of 381854764 is about 725.4921835901.

The spelling of 381854764 in words is "three hundred eighty-one million, eight hundred fifty-four thousand, seven hundred sixty-four".