380539 has 4 divisors (see below), whose sum is σ = 382360. Its totient is φ = 378720.

The previous prime is 380533. The next prime is 380557. The reversal of 380539 is 935083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935083 = 811 ⋅1153.

It is a cyclic number.

It is not a de Polignac number, because 380539 - 2¹⁵ = 347771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (95590).

2³⁸⁰⁵³⁹ is an apocalyptic number.

380539 is a deficient number, since it is larger than the sum of its proper divisors (1821).

380539 is a wasteful number, since it uses less digits than its factorization.

380539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 380539 is about 616.8784321080. The cubic root of 380539 is about 72.4657944073.

It can be divided in two parts, 3805 and 39, that added together give a square (3844 = 62²).

The spelling of 380539 in words is "three hundred eighty thousand, five hundred thirty-nine".