89423081 has 4 divisors (see below), whose sum is σ = 97552464. Its totient is φ = 81293700.

The previous prime is 89423071. The next prime is 89423083. The reversal of 89423081 is 18032498.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89423081 is a prime.

It is a super-2 number, since 2×89423081² = 15992974831065122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89423083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4064675 + ... + 4064696.

It is an arithmetic number, because the mean of its divisors is an integer number (24388116).

Almost surely, 2^89423081 is an apocalyptic number.

It is an amenable number.

89423081 is a deficient number, since it is larger than the sum of its proper divisors (8129383).

89423081 is a wasteful number, since it uses less digits than its factorization.

89423081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129382.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 89423081 is about 9456.3777949065. The cubic root of 89423081 is about 447.1808629376.

The spelling of 89423081 in words is "eighty-nine million, four hundred twenty-three thousand, eighty-one".