89442 has 12 divisors (see below), whose sum is σ = 193830. Its totient is φ = 29808.

The previous prime is 89431. The next prime is 89443. The reversal of 89442 is 24498.

It can be written as a sum of positive squares in only one way, i.e., 84681 + 4761 = 291^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (89443) by changing a digit.

89442 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, 2467 + ... + 2502.

2⁸⁹⁴⁴² is an apocalyptic number.

89442 is an abundant number, since it is smaller than the sum of its proper divisors (104388).

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

89442 is a wasteful number, since it uses less digits than its factorization.

89442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4974 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 89442 is about 299.0685540140. The cubic root of 89442 is about 44.7212396997.

The spelling of 89442 in words is "eighty-nine thousand, four hundred forty-two".