609534120 has 64 divisors (see below), whose sum is σ = 1969269120. Its totient is φ = 150038784.

The previous prime is 609534119. The next prime is 609534127. The reversal of 609534120 is 21435906.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (609534127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193804 + ... + 196923.

It is an arithmetic number, because the mean of its divisors is an integer number (30769830).

Almost surely, 2^609534120 is an apocalyptic number.

609534120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609534120 is an abundant number, since it is smaller than the sum of its proper divisors (1359735000).

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

609534120 is a wasteful number, since it uses less digits than its factorization.

609534120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390754 (or 390750 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 609534120 is about 24688.7448040600. The cubic root of 609534120 is about 847.8766470926.

The spelling of 609534120 in words is "six hundred nine million, five hundred thirty-four thousand, one hundred twenty".