609790000 has 150 divisors (see below), whose sum is σ = 1575748724. Its totient is φ = 228480000.

The previous prime is 609789911. The next prime is 609790001. The reversal of 609790000 is 97906.

It is not an unprimeable number, because it can be changed into a prime (609790001) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2889895 + ... + 2890105.

Almost surely, 2^609790000 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 609790000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787874362).

609790000 is an abundant number, since it is smaller than the sum of its proper divisors (965958724).

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

609790000 is a wasteful number, since it uses less digits than its factorization.

609790000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 609790000 is about 24693.9263787677. The cubic root of 609790000 is about 847.9952755759.

The spelling of 609790000 in words is "six hundred nine million, seven hundred ninety thousand".