89869 has 8 divisors (see below), whose sum is σ = 100352. Its totient is φ = 79920.

The previous prime is 89867. The next prime is 89891. The reversal of 89869 is 96898.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89869 - 2¹ = 89867 is a prime.

It is a super-2 number, since 2×89869² = 16152874322, which contains 22 as substring.

It is a Duffinian number.

89869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89867) 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, 292 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (12544).

2⁸⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

89869 is a deficient number, since it is larger than the sum of its proper divisors (10483).

89869 is a wasteful number, since it uses less digits than its factorization.

89869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 31104, while the sum is 40.

The square root of 89869 is about 299.7815871597. The cubic root of 89869 is about 44.7922937957.

The spelling of 89869 in words is "eighty-nine thousand, eight hundred sixty-nine".