612289792 has 36 divisors (see below), whose sum is σ = 1225173600. Its totient is φ = 305397248.

The previous prime is 612289781. The next prime is 612289807. The reversal of 612289792 is 297982216.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 110709 + ... + 116107.

It is an arithmetic number, because the mean of its divisors is an integer number (34032600).

Almost surely, 2^612289792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612289792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612586800).

612289792 is an abundant number, since it is smaller than the sum of its proper divisors (612883808).

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

612289792 is an equidigital number, since it uses as much as digits as its factorization.

612289792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5844 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 612289792 is about 24744.4901341693. The cubic root of 612289792 is about 849.1524617717.

The spelling of 612289792 in words is "six hundred twelve million, two hundred eighty-nine thousand, seven hundred ninety-two".