381914339 has 4 divisors (see below), whose sum is σ = 390040224. Its totient is φ = 373788456.

The previous prime is 381914297. The next prime is 381914341. The reversal of 381914339 is 933419183.

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

It is a cyclic number.

It is not a de Polignac number, because 381914339 - 2⁸ = 381914083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381914296 and 381914305.

It is not an unprimeable number, because it can be changed into a prime (381914359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4062872 + ... + 4062965.

It is an arithmetic number, because the mean of its divisors is an integer number (97510056).

Almost surely, 2^381914339 is an apocalyptic number.

381914339 is a deficient number, since it is larger than the sum of its proper divisors (8125885).

381914339 is an equidigital number, since it uses as much as digits as its factorization.

381914339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125884.

The product of its digits is 69984, while the sum is 41.

The square root of 381914339 is about 19542.6287638076. The cubic root of 381914339 is about 725.5299108042.

The spelling of 381914339 in words is "three hundred eighty-one million, nine hundred fourteen thousand, three hundred thirty-nine".