576666 has 32 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 187920.

The previous prime is 576659. The next prime is 576671. The reversal of 576666 is 666675.

576666 is a modest number, since divided by 666 gives 576 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 576666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (40950).

2⁵⁷⁶⁶⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 576666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655200).

576666 is an abundant number, since it is smaller than the sum of its proper divisors (733734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

576666 is a wasteful number, since it uses less digits than its factorization.

576666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 576666 is about 759.3852777082. The cubic root of 576666 is about 83.2354085294.

Subtracting 576666 from its reverse (666675), we obtain a palindrome (90009).

It can be divided in two parts, 5766 and 66, that added together give a cube (5832 = 18³).

The spelling of 576666 in words is "five hundred seventy-six thousand, six hundred sixty-six".