89811898 has 64 divisors (see below), whose sum is σ = 165888000. Its totient is φ = 35985600.

The previous prime is 89811871. The next prime is 89811899.

89811898 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (89811899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375663 + ... + 375901.

It is an arithmetic number, because the mean of its divisors is an integer number (2592000).

Almost surely, 2^89811898 is an apocalyptic number.

89811898 is a deficient number, since it is larger than the sum of its proper divisors (76076102).

89811898 is a wasteful number, since it uses less digits than its factorization.

89811898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its digits is 331776, while the sum is 52.

The square root of 89811898 is about 9476.9139491714. The cubic root of 89811898 is about 447.8280490455.

It can be divided in two parts, 89811 and 898, that added together give a palindrome (90709).

The spelling of 89811898 in words is "eighty-nine million, eight hundred eleven thousand, eight hundred ninety-eight".