89243285 has 16 divisors (see below), whose sum is σ = 119361600. Its totient is φ = 63657216.

The previous prime is 89243279. The next prime is 89243293. The reversal of 89243285 is 58234298.

It is a cyclic number.

It is not a de Polignac number, because 89243285 - 2⁴ = 89243269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26015 + ... + 29244.

It is an arithmetic number, because the mean of its divisors is an integer number (7460100).

Almost surely, 2^89243285 is an apocalyptic number.

89243285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89243285 is a deficient number, since it is larger than the sum of its proper divisors (30118315).

89243285 is a wasteful number, since it uses less digits than its factorization.

89243285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55300.

The product of its digits is 138240, while the sum is 41.

The square root of 89243285 is about 9446.8664116732. The cubic root of 89243285 is about 446.8809579788.

The spelling of 89243285 in words is "eighty-nine million, two hundred forty-three thousand, two hundred eighty-five".