90609304 has 16 divisors (see below), whose sum is σ = 170302320. Its totient is φ = 45195360.

The previous prime is 90609289. The next prime is 90609307. The reversal of 90609304 is 40390609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90609307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10084 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (10643895).

Almost surely, 2^90609304 is an apocalyptic number.

It is an amenable number.

90609304 is a deficient number, since it is larger than the sum of its proper divisors (79693016).

90609304 is a wasteful number, since it uses less digits than its factorization.

90609304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27330 (or 27326 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 90609304 is about 9518.8919523230. The cubic root of 90609304 is about 449.1495113059.

The spelling of 90609304 in words is "ninety million, six hundred nine thousand, three hundred four".