89558742 has 128 divisors (see below), whose sum is σ = 237081600. Its totient is φ = 21897216.

The previous prime is 89558741. The next prime is 89558779. The reversal of 89558742 is 24785598.

It is a junction number, because it is equal to n+sod(n) for n = 89558691 and 89558700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89558741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 923238 + ... + 923334.

It is an arithmetic number, because the mean of its divisors is an integer number (1852200).

Almost surely, 2^89558742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89558742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118540800).

89558742 is an abundant number, since it is smaller than the sum of its proper divisors (147522858).

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

89558742 is a wasteful number, since it uses less digits than its factorization.

89558742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 806400, while the sum is 48.

The square root of 89558742 is about 9463.5480661325. The cubic root of 89558742 is about 447.4068834479.

The spelling of 89558742 in words is "eighty-nine million, five hundred fifty-eight thousand, seven hundred forty-two".