88998 has 32 divisors (see below), whose sum is σ = 220416. Its totient is φ = 23328.

The previous prime is 88997. The next prime is 89003. The reversal of 88998 is 89988.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (6888).

2⁸⁸⁹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110208).

88998 is an abundant number, since it is smaller than the sum of its proper divisors (131418).

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

88998 is a wasteful number, since it uses less digits than its factorization.

88998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its digits is 41472, while the sum is 42.

The square root of 88998 is about 298.3253257771. The cubic root of 88998 is about 44.6471165155.

Subtracting 88998 from its reverse (89988), we obtain a triangular number (990 = T₄₄).

The spelling of 88998 in words is "eighty-eight thousand, nine hundred ninety-eight".