609039360 has 132 divisors (see below), whose sum is σ = 2110465188. Its totient is φ = 162398208.

The previous prime is 609039317. The next prime is 609039367. The reversal of 609039360 is 63930906.

It can be written as a sum of positive squares in 2 ways, for example, as 232989696 + 376049664 = 15264^2 + 19392^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609039367) 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, 39472 + ... + 52688.

Almost surely, 2^609039360 is an apocalyptic number.

609039360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609039360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055232594).

609039360 is an abundant number, since it is smaller than the sum of its proper divisors (1501425828).

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

609039360 is a wasteful number, since it uses less digits than its factorization.

609039360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248 (or 13227 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 609039360 is about 24678.7228194654. The cubic root of 609039360 is about 847.6471773007.

The spelling of 609039360 in words is "six hundred nine million, thirty-nine thousand, three hundred sixty".