380709 has 12 divisors (see below), whose sum is σ = 628576. Its totient is φ = 217512.

The previous prime is 380707. The next prime is 380713. The reversal of 380709 is 907083.

It is a happy number.

It is not a de Polignac number, because 380709 - 2¹ = 380707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380707) 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, 2959 + ... + 3084.

2³⁸⁰⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

380709 is a deficient number, since it is larger than the sum of its proper divisors (247867).

380709 is a wasteful number, since it uses less digits than its factorization.

380709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056 (or 6053 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 380709 is about 617.0162072426. The cubic root of 380709 is about 72.4765837973.

It can be divided in two parts, 380 and 709, that added together give a square (1089 = 33²).

The spelling of 380709 in words is "three hundred eighty thousand, seven hundred nine".