89282821 has 8 divisors (see below), whose sum is σ = 92497664. Its totient is φ = 86088960.

The previous prime is 89282819. The next prime is 89282839. The reversal of 89282821 is 12828298.

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 89282821 - 2¹ = 89282819 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 (89282801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685 + ... + 13861.

It is an arithmetic number, because the mean of its divisors is an integer number (11562208).

Almost surely, 2^89282821 is an apocalyptic number.

It is an amenable number.

89282821 is a deficient number, since it is larger than the sum of its proper divisors (3214843).

89282821 is a wasteful number, since it uses less digits than its factorization.

89282821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491.

The product of its digits is 36864, while the sum is 40.

The square root of 89282821 is about 9448.9587257009. The cubic root of 89282821 is about 446.9469397019.

It can be divided in two parts, 8 and 9282821, that added together give a palindrome (9282829).

The spelling of 89282821 in words is "eighty-nine million, two hundred eighty-two thousand, eight hundred twenty-one".