609795620 has 24 divisors (see below), whose sum is σ = 1463509824. Its totient is φ = 209072736.

The previous prime is 609795611. The next prime is 609795623. The reversal of 609795620 is 26597906.

It is not an unprimeable number, because it can be changed into a prime (609795623) by changing a digit.

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, 2177702 + ... + 2177981.

It is an arithmetic number, because the mean of its divisors is an integer number (60979576).

Almost surely, 2^609795620 is an apocalyptic number.

It is an amenable number.

609795620 is an abundant number, since it is smaller than the sum of its proper divisors (853714204).

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

609795620 is a wasteful number, since it uses less digits than its factorization.

609795620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355699 (or 4355697 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 609795620 is about 24694.0401716690. The cubic root of 609795620 is about 847.9978806907.

The spelling of 609795620 in words is "six hundred nine million, seven hundred ninety-five thousand, six hundred twenty".