89966998 has 16 divisors (see below), whose sum is σ = 148651776. Its totient is φ = 40496040.

The previous prime is 89966969. The next prime is 89966999.

89966998 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89966999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17586 + ... + 22117.

It is an arithmetic number, because the mean of its divisors is an integer number (9290736).

Almost surely, 2^89966998 is an apocalyptic number.

89966998 is a deficient number, since it is larger than the sum of its proper divisors (58684778).

89966998 is a wasteful number, since it uses less digits than its factorization.

89966998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39819.

The product of its digits is 15116544, while the sum is 64.

The square root of 89966998 is about 9485.0934629027. The cubic root of 89966998 is about 448.0856919149.

The spelling of 89966998 in words is "eighty-nine million, nine hundred sixty-six thousand, nine hundred ninety-eight".