89822981 has 8 divisors (see below), whose sum is σ = 94041024. Its totient is φ = 85631040.

The previous prime is 89822977. The next prime is 89822987. The reversal of 89822981 is 18922898.

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 89822981 - 2² = 89822977 is a prime.

It is a super-2 number, since 2×89822981² = 16136335831452722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89822987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (11755128).

Almost surely, 2^89822981 is an apocalyptic number.

It is an amenable number.

89822981 is a deficient number, since it is larger than the sum of its proper divisors (4218043).

89822981 is a wasteful number, since it uses less digits than its factorization.

89822981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051.

The product of its digits is 165888, while the sum is 47.

The square root of 89822981 is about 9477.4986678976. The cubic root of 89822981 is about 447.8464693002.

The spelling of 89822981 in words is "eighty-nine million, eight hundred twenty-two thousand, nine hundred eighty-one".