380439 has 12 divisors (see below), whose sum is σ = 563472. Its totient is φ = 247200.

The previous prime is 380423. The next prime is 380441. The reversal of 380439 is 934083.

It is not a de Polignac number, because 380439 - 2⁴ = 380423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147 + ... + 884.

It is an arithmetic number, because the mean of its divisors is an integer number (46956).

2³⁸⁰⁴³⁹ is an apocalyptic number.

380439 is a deficient number, since it is larger than the sum of its proper divisors (183033).

380439 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (380438) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1078).

380439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 380439 is about 616.7973735353. The cubic root of 380439 is about 72.4594462062.

The spelling of 380439 in words is "three hundred eighty thousand, four hundred thirty-nine".