609475090 has 32 divisors (see below), whose sum is σ = 1277441280. Its totient is φ = 205018944.

The previous prime is 609475057. The next prime is 609475117. The reversal of 609475090 is 90574906.

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 15 ways as a sum of consecutive naturals, for example, 78430 + ... + 85849.

It is an arithmetic number, because the mean of its divisors is an integer number (39920040).

Almost surely, 2^609475090 is an apocalyptic number.

609475090 is an abundant number, since it is smaller than the sum of its proper divisors (667966190).

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

609475090 is a wasteful number, since it uses less digits than its factorization.

609475090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164346.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 609475090 is about 24687.5492910900. The cubic root of 609475090 is about 847.8492754915.

The spelling of 609475090 in words is "six hundred nine million, four hundred seventy-five thousand, ninety".