572393946 has 16 divisors (see below), whose sum is σ = 1153145664. Its totient is φ = 189405024.

The previous prime is 572393933. The next prime is 572393963. The reversal of 572393946 is 649393275.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 572393895 and 572393904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347350 + ... + 348993.

It is an arithmetic number, because the mean of its divisors is an integer number (72071604).

Almost surely, 2^572393946 is an apocalyptic number.

572393946 is an abundant number, since it is smaller than the sum of its proper divisors (580751718).

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

572393946 is a wasteful number, since it uses less digits than its factorization.

572393946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696485.

The product of its digits is 1224720, while the sum is 48.

The square root of 572393946 is about 23924.7559235199. The cubic root of 572393946 is about 830.2935749605.

The spelling of 572393946 in words is "five hundred seventy-two million, three hundred ninety-three thousand, nine hundred forty-six".