381343192 has 16 divisors (see below), whose sum is σ = 715505040. Its totient is φ = 190541856.

The previous prime is 381343189. The next prime is 381343223. The reversal of 381343192 is 291343183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103 + ... + 27790.

It is an arithmetic number, because the mean of its divisors is an integer number (44719065).

Almost surely, 2^381343192 is an apocalyptic number.

It is an amenable number.

381343192 is a deficient number, since it is larger than the sum of its proper divisors (334161848).

381343192 is a wasteful number, since it uses less digits than its factorization.

381343192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32442 (or 32438 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 381343192 is about 19528.0104465355. The cubic root of 381343192 is about 725.1680574339.

Subtracting from 381343192 its reverse (291343183), we obtain a palindrome (90000009).

The spelling of 381343192 in words is "three hundred eighty-one million, three hundred forty-three thousand, one hundred ninety-two".