90335680 has 28 divisors (see below), whose sum is σ = 215112600. Its totient is φ = 36134144.

The previous prime is 90335677. The next prime is 90335681. The reversal of 90335680 is 8653309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90335681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140830 + ... + 141469.

Almost surely, 2^90335680 is an apocalyptic number.

It is an amenable number.

90335680 is an abundant number, since it is smaller than the sum of its proper divisors (124776920).

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

90335680 is a wasteful number, since it uses less digits than its factorization.

90335680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282316 (or 282306 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90335680 is about 9504.5084039102. The cubic root of 90335680 is about 448.6969381942.

Adding to 90335680 its reverse (8653309), we get a palindrome (98988989).

The spelling of 90335680 in words is "ninety million, three hundred thirty-five thousand, six hundred eighty".