572438 has 8 divisors (see below), whose sum is σ = 863688. Its totient is φ = 284544.

The previous prime is 572437. The next prime is 572449. The reversal of 572438 is 834275.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 572438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572437) 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, 356 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (107961).

2⁵⁷²⁴³⁸ is an apocalyptic number.

572438 is a deficient number, since it is larger than the sum of its proper divisors (291250).

572438 is a wasteful number, since it uses less digits than its factorization.

572438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

The product of its digits is 6720, while the sum is 29.

The square root of 572438 is about 756.5963256585. The cubic root of 572438 is about 83.0314875451.

The spelling of 572438 in words is "five hundred seventy-two thousand, four hundred thirty-eight".