380831942 has 4 divisors (see below), whose sum is σ = 571247916. Its totient is φ = 190415970.

The previous prime is 380831933. The next prime is 380831947. The reversal of 380831942 is 249138083.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 380831896 and 380831905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380831947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95207984 + ... + 95207987.

It is an arithmetic number, because the mean of its divisors is an integer number (142811979).

Almost surely, 2^380831942 is an apocalyptic number.

380831942 is a deficient number, since it is larger than the sum of its proper divisors (190415974).

380831942 is a wasteful number, since it uses less digits than its factorization.

380831942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190415973.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 380831942 is about 19514.9158850352. The cubic root of 380831942 is about 724.8438455605.

The spelling of 380831942 in words is "three hundred eighty million, eight hundred thirty-one thousand, nine hundred forty-two".