380739 has 4 divisors (see below), whose sum is σ = 507656. Its totient is φ = 253824.

The previous prime is 380729. The next prime is 380753. The reversal of 380739 is 937083.

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

It is not a de Polignac number, because 380739 - 2⁵ = 380707 is a prime.

It is a super-2 number, since 2×380739² = 289924372242, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380739.

It is not an unprimeable number, because it can be changed into a prime (380729) 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 3 ways as a sum of consecutive naturals, for example, 63454 + ... + 63459.

It is an arithmetic number, because the mean of its divisors is an integer number (126914).

2³⁸⁰⁷³⁹ is an apocalyptic number.

380739 is a deficient number, since it is larger than the sum of its proper divisors (126917).

380739 is a wasteful number, since it uses less digits than its factorization.

380739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126916.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 380739 is about 617.0405173082. The cubic root of 380739 is about 72.4784874739.

The spelling of 380739 in words is "three hundred eighty thousand, seven hundred thirty-nine".