89042891 has 8 divisors (see below), whose sum is σ = 101836800. Its totient is φ = 76267368.

The previous prime is 89042879. The next prime is 89042893. The reversal of 89042891 is 19824098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89042891 - 2¹⁰ = 89041867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89042893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8150 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (12729600).

Almost surely, 2^89042891 is an apocalyptic number.

89042891 is a deficient number, since it is larger than the sum of its proper divisors (12793909).

89042891 is a wasteful number, since it uses less digits than its factorization.

89042891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 89042891 is about 9436.2540766980. The cubic root of 89042891 is about 446.5462199060.

The spelling of 89042891 in words is "eighty-nine million, forty-two thousand, eight hundred ninety-one".