89810 has 16 divisors (see below), whose sum is σ = 184896. Its totient is φ = 30768.

The previous prime is 89809. The next prime is 89819. The reversal of 89810 is 1898.

It is a super-2 number, since 2×89810² = 16131672200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 89810.

It is not an unprimeable number, because it can be changed into a prime (89819) 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, 572 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (11556).

2⁸⁹⁸¹⁰ is an apocalyptic number.

89810 is an abundant number, since it is smaller than the sum of its proper divisors (95086).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92448).

89810 is a wasteful number, since it uses less digits than its factorization.

89810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 89810 is about 299.6831660271. The cubic root of 89810 is about 44.7824894365.

The spelling of 89810 in words is "eighty-nine thousand, eight hundred ten".