89429 has 4 divisors (see below), whose sum is σ = 91884. Its totient is φ = 86976.

The previous prime is 89417. The next prime is 89431. The reversal of 89429 is 92498.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84100 + 5329 = 290^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 89429 - 2⁴ = 89413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89395 and 89404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89449) 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, 1172 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (22971).

2⁸⁹⁴²⁹ is an apocalyptic number.

It is an amenable number.

89429 is a deficient number, since it is larger than the sum of its proper divisors (2455).

89429 is a wasteful number, since it uses less digits than its factorization.

89429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454.

The product of its digits is 5184, while the sum is 32.

The square root of 89429 is about 299.0468190769. The cubic root of 89429 is about 44.7190729164.

The spelling of 89429 in words is "eighty-nine thousand, four hundred twenty-nine".