89047 has 4 divisors (see below), whose sum is σ = 101776. Its totient is φ = 76320.

The previous prime is 89041. The next prime is 89051. The reversal of 89047 is 74098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74098 = 2 ⋅37049.

It is a cyclic number.

It is not a de Polignac number, because 89047 - 2⁷ = 88919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6354 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (25444).

2⁸⁹⁰⁴⁷ is an apocalyptic number.

89047 is a deficient number, since it is larger than the sum of its proper divisors (12729).

89047 is a wasteful number, since it uses less digits than its factorization.

89047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12728.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 89047 is about 298.4074395855. The cubic root of 89047 is about 44.6553088619.

It can be divided in two parts, 8904 and 7, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 89047 in words is "eighty-nine thousand, forty-seven".