89956090 has 32 divisors (see below), whose sum is σ = 188095104. Its totient is φ = 30335040.

The previous prime is 89956081. The next prime is 89956093. The reversal of 89956090 is 9065998.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 89956090.

It is not an unprimeable number, because it can be changed into a prime (89956093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6264 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (5877972).

Almost surely, 2^89956090 is an apocalyptic number.

89956090 is an abundant number, since it is smaller than the sum of its proper divisors (98139014).

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

89956090 is a wasteful number, since it uses less digits than its factorization.

89956090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21142.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 89956090 is about 9484.5184379598. The cubic root of 89956090 is about 448.0675818805.

The spelling of 89956090 in words is "eighty-nine million, nine hundred fifty-six thousand, ninety".