609980000 has 120 divisors (see below), whose sum is σ = 1715413392. Its totient is φ = 209088000.

The previous prime is 609979973. The next prime is 609980071. The reversal of 609980000 is 89906.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 19 ways as a sum of consecutive naturals, for example, 137822 + ... + 142178.

Almost surely, 2^609980000 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 609980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857706696).

609980000 is an abundant number, since it is smaller than the sum of its proper divisors (1105433392).

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

609980000 is an equidigital number, since it uses as much as digits as its factorization.

609980000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 609980000 is about 24697.7731789730. The cubic root of 609980000 is about 848.0833399758.

The spelling of 609980000 in words is "six hundred nine million, nine hundred eighty thousand".