89412 has 12 divisors (see below), whose sum is σ = 208656. Its totient is φ = 29800.

The previous prime is 89399. The next prime is 89413. The reversal of 89412 is 21498.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89412.

It is not an unprimeable number, because it can be changed into a prime (89413) by changing a digit.

89412 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 3 ways as a sum of consecutive naturals, for example, 3714 + ... + 3737.

It is an arithmetic number, because the mean of its divisors is an integer number (17388).

2⁸⁹⁴¹² is an apocalyptic number.

It is an amenable number.

89412 is an abundant number, since it is smaller than the sum of its proper divisors (119244).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104328).

89412 is a wasteful number, since it uses less digits than its factorization.

89412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458 (or 7456 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 89412 is about 299.0183940830. The cubic root of 89412 is about 44.7162391137.

The spelling of 89412 in words is "eighty-nine thousand, four hundred twelve".