572986494 has 64 divisors (see below), whose sum is σ = 1305953280. Its totient is φ = 186134400.

The previous prime is 572986493. The next prime is 572986499. The reversal of 572986494 is 494689275.

572986494 is a `hidden beast` number, since 5 + 72 + 9 + 86 + 494 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 572986494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572986493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017457 + ... + 1018019.

It is an arithmetic number, because the mean of its divisors is an integer number (20405520).

Almost surely, 2^572986494 is an apocalyptic number.

572986494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 572986494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652976640).

572986494 is an abundant number, since it is smaller than the sum of its proper divisors (732966786).

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

572986494 is a wasteful number, since it uses less digits than its factorization.

572986494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1016 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 572986494 is about 23937.1362948871. The cubic root of 572986494 is about 830.5799855860.

The spelling of 572986494 in words is "five hundred seventy-two million, nine hundred eighty-six thousand, four hundred ninety-four".