89889792 has 88 divisors (see below), whose sum is σ = 248096400. Its totient is φ = 28901376.

The previous prime is 89889781. The next prime is 89889799. The reversal of 89889792 is 29798898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89889799) 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 7 ways as a sum of consecutive naturals, for example, 88584 + ... + 89592.

Almost surely, 2^89889792 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 89889792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124048200).

89889792 is an abundant number, since it is smaller than the sum of its proper divisors (158206608).

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

89889792 is a wasteful number, since it uses less digits than its factorization.

89889792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1043 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 60.

The square root of 89889792 is about 9481.0227296426. The cubic root of 89889792 is about 447.9574789575.

The spelling of 89889792 in words is "eighty-nine million, eight hundred eighty-nine thousand, seven hundred ninety-two".