380394819 has 16 divisors (see below), whose sum is σ = 644055040. Its totient is φ = 217368360.

The previous prime is 380394803. The next prime is 380394823. The reversal of 380394819 is 918493083.

It is not a de Polignac number, because 380394819 - 2⁴ = 380394803 is a prime.

It is a super-2 number, since 2×380394819² = 289400436644085522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380394319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006147 + ... + 1006524.

It is an arithmetic number, because the mean of its divisors is an integer number (40253440).

Almost surely, 2^380394819 is an apocalyptic number.

380394819 is a deficient number, since it is larger than the sum of its proper divisors (263660221).

380394819 is a wasteful number, since it uses less digits than its factorization.

380394819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012687 (or 2012681 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 380394819 is about 19503.7129542044. The cubic root of 380394819 is about 724.5664115315.

The spelling of 380394819 in words is "three hundred eighty million, three hundred ninety-four thousand, eight hundred nineteen".