89854 has 4 divisors (see below), whose sum is σ = 134784. Its totient is φ = 44926.

The previous prime is 89849. The next prime is 89867. The reversal of 89854 is 45898.

It is a semiprime because it is the product of two primes.

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

It is a congruent number.

It is an unprimeable number.

89854 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22462 + ... + 22465.

It is an arithmetic number, because the mean of its divisors is an integer number (33696).

2⁸⁹⁸⁵⁴ is an apocalyptic number.

89854 is a deficient number, since it is larger than the sum of its proper divisors (44930).

89854 is a wasteful number, since it uses less digits than its factorization.

89854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44929.

The product of its digits is 11520, while the sum is 34.

The square root of 89854 is about 299.7565679014. The cubic root of 89854 is about 44.7898015689.

Subtracting from 89854 its reverse (45898), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 89854 in words is "eighty-nine thousand, eight hundred fifty-four".