577040 has 20 divisors (see below), whose sum is σ = 1341804. Its totient is φ = 230784.

The previous prime is 577033. The next prime is 577043. The reversal of 577040 is 40775.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 226576 = 592^2 + 476^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 576997 and 577015.

It is not an unprimeable number, because it can be changed into a prime (577043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3527 + ... + 3686.

2⁵⁷⁷⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

577040 is an abundant number, since it is smaller than the sum of its proper divisors (764764).

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

577040 is a wasteful number, since it uses less digits than its factorization.

577040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226 (or 7220 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 577040 is about 759.6314896053. The cubic root of 577040 is about 83.2533989059.

The spelling of 577040 in words is "five hundred seventy-seven thousand, forty".