381336886 has 16 divisors (see below), whose sum is σ = 654047136. Its totient is φ = 163348416.

The previous prime is 381336869. The next prime is 381336899. The reversal of 381336886 is 688633183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28530 + ... + 39706.

It is an arithmetic number, because the mean of its divisors is an integer number (40877946).

Almost surely, 2^381336886 is an apocalyptic number.

381336886 is a deficient number, since it is larger than the sum of its proper divisors (272710250).

381336886 is a wasteful number, since it uses less digits than its factorization.

381336886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623.

The product of its digits is 497664, while the sum is 46.

The square root of 381336886 is about 19527.8489854874. The cubic root of 381336886 is about 725.1640602165.

The spelling of 381336886 in words is "three hundred eighty-one million, three hundred thirty-six thousand, eight hundred eighty-six".