89098890 has 16 divisors (see below), whose sum is σ = 213837408. Its totient is φ = 23759696.

The previous prime is 89098859. The next prime is 89098903. The reversal of 89098890 is 9889098.

It is a super-2 number, since 2×89098890² = 15877224398464200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484952 + ... + 1485011.

It is an arithmetic number, because the mean of its divisors is an integer number (13364838).

Almost surely, 2^89098890 is an apocalyptic number.

89098890 is an abundant number, since it is smaller than the sum of its proper divisors (124738518).

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

89098890 is a wasteful number, since it uses less digits than its factorization.

89098890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969973.

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 89098890 is about 9439.2208364886. The cubic root of 89098890 is about 446.6398111375.

The spelling of 89098890 in words is "eighty-nine million, ninety-eight thousand, eight hundred ninety".