380564 has 12 divisors (see below), whose sum is σ = 674100. Its totient is φ = 187968.

The previous prime is 380563. The next prime is 380591. The reversal of 380564 is 465083.

It can be written as a sum of positive squares in 2 ways, for example, as 122500 + 258064 = 350^2 + 508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (56175).

2³⁸⁰⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

380564 is a deficient number, since it is larger than the sum of its proper divisors (293536).

380564 is a wasteful number, since it uses less digits than its factorization.

380564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 380564 is about 616.8986950870. The cubic root of 380564 is about 72.4673812838.

The spelling of 380564 in words is "three hundred eighty thousand, five hundred sixty-four".