381934107 has 12 divisors (see below), whose sum is σ = 554159424. Its totient is φ = 253479600.

The previous prime is 381934097. The next prime is 381934117. The reversal of 381934107 is 701439183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (381934097) and next prime (381934117).

It is not a de Polignac number, because 381934107 - 2¹² = 381930011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381934117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93144 + ... + 97157.

It is an arithmetic number, because the mean of its divisors is an integer number (46179952).

Almost surely, 2^381934107 is an apocalyptic number.

381934107 is a deficient number, since it is larger than the sum of its proper divisors (172225317).

381934107 is a wasteful number, since it uses less digits than its factorization.

381934107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190530 (or 190527 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 381934107 is about 19543.1345234074. The cubic root of 381934107 is about 725.5424284697.

It can be divided in two parts, 38193 and 4107, that multiplied together give a palindrome (156858651).

The spelling of 381934107 in words is "three hundred eighty-one million, nine hundred thirty-four thousand, one hundred seven".