89951598 has 48 divisors (see below), whose sum is σ = 214110000. Its totient is φ = 27066240.

The previous prime is 89951569. The next prime is 89951599. The reversal of 89951598 is 89515998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89951599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27978 + ... + 31026.

It is an arithmetic number, because the mean of its divisors is an integer number (4460625).

Almost surely, 2^89951598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89951598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107055000).

89951598 is an abundant number, since it is smaller than the sum of its proper divisors (124158402).

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

89951598 is a wasteful number, since it uses less digits than its factorization.

89951598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3214 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 54.

The square root of 89951598 is about 9484.2816280412. The cubic root of 89951598 is about 448.0601236006.

Subtracting from 89951598 its reverse (89515998), we obtain a square (435600 = 660²).

The spelling of 89951598 in words is "eighty-nine million, nine hundred fifty-one thousand, five hundred ninety-eight".