89874 has 12 divisors (see below), whose sum is σ = 194766. Its totient is φ = 29952.

The previous prime is 89867. The next prime is 89891. The reversal of 89874 is 47898.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 8649 = 285^2 + 93^2 .

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89874.

It is an unprimeable number.

89874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2479 + ... + 2514.

2⁸⁹⁸⁷⁴ is an apocalyptic number.

89874 is an abundant number, since it is smaller than the sum of its proper divisors (104892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89874 is a wasteful number, since it uses less digits than its factorization.

89874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4998 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 89874 is about 299.7899264485. The cubic root of 89874 is about 44.7931244763.

The spelling of 89874 in words is "eighty-nine thousand, eight hundred seventy-four".