90097 has 8 divisors (see below), whose sum is σ = 105152. Its totient is φ = 75600.

The previous prime is 90089. The next prime is 90107. The reversal of 90097 is 79009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90097 - 2³ = 90089 is a prime.

It is a Duffinian number.

90097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (90007) 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, 322 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (13144).

2⁹⁰⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

90097 is a deficient number, since it is larger than the sum of its proper divisors (15055).

90097 is a wasteful number, since it uses less digits than its factorization.

90097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 90097 is about 300.1616231299. The cubic root of 90097 is about 44.8301415465.

The spelling of 90097 in words is "ninety thousand, ninety-seven".