89895 has 16 divisors (see below), whose sum is σ = 155232. Its totient is φ = 44160.

The previous prime is 89891. The next prime is 89897. The reversal of 89895 is 59898.

It is not a de Polignac number, because 89895 - 2² = 89891 is a prime.

It is a super-2 number, since 2×89895² = 16162222050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89891) 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 15 ways as a sum of consecutive naturals, for example, 36 + ... + 425.

It is an arithmetic number, because the mean of its divisors is an integer number (9702).

2⁸⁹⁸⁹⁵ is an apocalyptic number.

89895 is a deficient number, since it is larger than the sum of its proper divisors (65337).

89895 is a wasteful number, since it uses less digits than its factorization.

89895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its digits is 25920, while the sum is 39.

The square root of 89895 is about 299.8249489285. The cubic root of 89895 is about 44.7966129986.

The spelling of 89895 in words is "eighty-nine thousand, eight hundred ninety-five".