576385 has 8 divisors (see below), whose sum is σ = 732456. Its totient is φ = 433920.

The previous prime is 576379. The next prime is 576391. The reversal of 576385 is 583675.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (576379) and next prime (576391).

It can be written as a sum of positive squares in 4 ways, for example, as 103041 + 473344 = 321^2 + 688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 576385 - 2³ = 576377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 576385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3306 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (91557).

2⁵⁷⁶³⁸⁵ is an apocalyptic number.

It is an amenable number.

576385 is a deficient number, since it is larger than the sum of its proper divisors (156071).

576385 is a wasteful number, since it uses less digits than its factorization.

576385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its digits is 25200, while the sum is 34.

The square root of 576385 is about 759.2002370916. The cubic root of 576385 is about 83.2218865774.

It can be divided in two parts, 576 and 385, that added together give a square (961 = 31²).

The spelling of 576385 in words is "five hundred seventy-six thousand, three hundred eighty-five".