89819028 has 144 divisors (see below), whose sum is σ = 260262912. Its totient is φ = 25920000.

The previous prime is 89818969. The next prime is 89819029. The reversal of 89819028 is 82091898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89819029) 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 47 ways as a sum of consecutive naturals, for example, 594753 + ... + 594903.

Almost surely, 2^89819028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89819028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130131456).

89819028 is an abundant number, since it is smaller than the sum of its proper divisors (170443884).

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

89819028 is a wasteful number, since it uses less digits than its factorization.

89819028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 89819028 is about 9477.2901190161. The cubic root of 89819028 is about 447.8398994779.

The spelling of 89819028 in words is "eighty-nine million, eight hundred nineteen thousand, twenty-eight".