89090 has 16 divisors (see below), whose sum is σ = 164160. Its totient is φ = 34800.

The previous prime is 89087. The next prime is 89101. The reversal of 89090 is 9098.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515 + ... + 665.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2⁸⁹⁰⁹⁰ is an apocalyptic number.

89090 is a deficient number, since it is larger than the sum of its proper divisors (75070).

89090 is a wasteful number, since it uses less digits than its factorization.

89090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 89090 is about 298.4794800317. The cubic root of 89090 is about 44.6624955883.

The spelling of 89090 in words is "eighty-nine thousand, ninety".