609490500 has 48 divisors (see below), whose sum is σ = 1774840704. Its totient is φ = 162530400.

The previous prime is 609490481. The next prime is 609490507. The reversal of 609490500 is 5094906.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (609490507) 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, 201664 + ... + 204663.

It is an arithmetic number, because the mean of its divisors is an integer number (36975848).

Almost surely, 2^609490500 is an apocalyptic number.

609490500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609490500 is an abundant number, since it is smaller than the sum of its proper divisors (1165350204).

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

609490500 is a wasteful number, since it uses less digits than its factorization.

609490500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406349 (or 406337 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 609490500 is about 24687.8613897599. The cubic root of 609490500 is about 847.8564211197.

The spelling of 609490500 in words is "six hundred nine million, four hundred ninety thousand, five hundred".