89446081 has 4 divisors (see below), whose sum is σ = 89658964. Its totient is φ = 89233200.

The previous prime is 89446079. The next prime is 89446111. The reversal of 89446081 is 18064498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18064498 = 2 ⋅9032249.

It can be written as a sum of positive squares in 2 ways, for example, as 1461681 + 87984400 = 1209^2 + 9380^2 .

It is a cyclic number.

It is not a de Polignac number, because 89446081 - 2¹ = 89446079 is a prime.

It is a super-2 number, since 2×89446081² = 16001202812517122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89446031) 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 3 ways as a sum of consecutive naturals, for example, 105810 + ... + 106651.

It is an arithmetic number, because the mean of its divisors is an integer number (22414741).

Almost surely, 2^89446081 is an apocalyptic number.

It is an amenable number.

89446081 is a deficient number, since it is larger than the sum of its proper divisors (212883).

89446081 is a wasteful number, since it uses less digits than its factorization.

89446081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212882.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 89446081 is about 9457.5938271846. The cubic root of 89446081 is about 447.2191985964.

The spelling of 89446081 in words is "eighty-nine million, four hundred forty-six thousand, eighty-one".