89149998 has 16 divisors (see below), whose sum is σ = 203771520. Its totient is φ = 25471416.

The previous prime is 89149993. The next prime is 89150011. The reversal of 89149998 is 89994198.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89149993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061268 + ... + 1061351.

It is an arithmetic number, because the mean of its divisors is an integer number (12735720).

Almost surely, 2^89149998 is an apocalyptic number.

89149998 is an abundant number, since it is smaller than the sum of its proper divisors (114621522).

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

89149998 is a wasteful number, since it uses less digits than its factorization.

89149998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122631.

The product of its digits is 1679616, while the sum is 57.

The square root of 89149998 is about 9441.9276633535. The cubic root of 89149998 is about 446.7251938110.

The spelling of 89149998 in words is "eighty-nine million, one hundred forty-nine thousand, nine hundred ninety-eight".