380446839 has 12 divisors (see below), whose sum is σ = 564387096. Its totient is φ = 246776112.

The previous prime is 380446819. The next prime is 380446883. The reversal of 380446839 is 938644083.

It is not a de Polignac number, because 380446839 - 2¹⁵ = 380414071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380446794 and 380446803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380446819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570909 + ... + 571574.

It is an arithmetic number, because the mean of its divisors is an integer number (47032258).

Almost surely, 2^380446839 is an apocalyptic number.

380446839 is a deficient number, since it is larger than the sum of its proper divisors (183940257).

380446839 is a wasteful number, since it uses less digits than its factorization.

380446839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142526 (or 1142523 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 380446839 is about 19505.0465008418. The cubic root of 380446839 is about 724.5994388186.

The spelling of 380446839 in words is "three hundred eighty million, four hundred forty-six thousand, eight hundred thirty-nine".