379821923 has 6 divisors (see below), whose sum is σ = 411286644. Its totient is φ = 350604696.

The previous prime is 379821917. The next prime is 379821979. The reversal of 379821923 is 329128973.

It is a happy number.

It is not a de Polignac number, because 379821923 - 2¹⁰ = 379820899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379821023) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1123565 + ... + 1123902.

It is an arithmetic number, because the mean of its divisors is an integer number (68547774).

Almost surely, 2^379821923 is an apocalyptic number.

379821923 is a deficient number, since it is larger than the sum of its proper divisors (31464721).

379821923 is a wasteful number, since it uses less digits than its factorization.

379821923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247493 (or 2247480 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 379821923 is about 19489.0205756985. The cubic root of 379821923 is about 724.2024828437.

The spelling of 379821923 in words is "three hundred seventy-nine million, eight hundred twenty-one thousand, nine hundred twenty-three".