573438996 has 36 divisors (see below), whose sum is σ = 1561029652. Its totient is φ = 176442624.

The previous prime is 573438991. The next prime is 573439021. The reversal of 573438996 is 699834375.

It can be written as a sum of positive squares in 2 ways, for example, as 27562500 + 545876496 = 5250^2 + 23364^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573438991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612181 + ... + 613116.

Almost surely, 2^573438996 is an apocalyptic number.

It is an amenable number.

573438996 is an abundant number, since it is smaller than the sum of its proper divisors (987590656).

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

573438996 is a wasteful number, since it uses less digits than its factorization.

573438996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225320 (or 1225315 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 573438996 is about 23946.5863120404. The cubic root of 573438996 is about 830.7985714313.

It can be divided in two parts, 573 and 438996, that added together give a square (439569 = 663²).

The spelling of 573438996 in words is "five hundred seventy-three million, four hundred thirty-eight thousand, nine hundred ninety-six".