571920 has 40 divisors (see below), whose sum is σ = 1773696. Its totient is φ = 152448.

The previous prime is 571903. The next prime is 571933. The reversal of 571920 is 29175.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 952 + ... + 1431.

2⁵⁷¹⁹²⁰ is an apocalyptic number.

It is an amenable number.

571920 is an abundant number, since it is smaller than the sum of its proper divisors (1201776).

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

571920 is a wasteful number, since it uses less digits than its factorization.

571920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 571920 is about 756.2539256096. The cubic root of 571920 is about 83.0064348812.

The spelling of 571920 in words is "five hundred seventy-one thousand, nine hundred twenty".