89906028 has 24 divisors (see below), whose sum is σ = 210221760. Its totient is φ = 29905680.

The previous prime is 89906023. The next prime is 89906039. The reversal of 89906028 is 82060998.

It is not an unprimeable number, because it can be changed into a prime (89906021) 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 7 ways as a sum of consecutive naturals, for example, 1738 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (8759240).

Almost surely, 2^89906028 is an apocalyptic number.

It is an amenable number.

89906028 is an abundant number, since it is smaller than the sum of its proper divisors (120315732).

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

89906028 is a wasteful number, since it uses less digits than its factorization.

89906028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15757 (or 15755 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 89906028 is about 9481.8789277231. The cubic root of 89906028 is about 447.9844475362.

The spelling of 89906028 in words is "eighty-nine million, nine hundred six thousand, twenty-eight".