89504289 has 24 divisors (see below), whose sum is σ = 148042752. Its totient is φ = 51045120.

The previous prime is 89504273. The next prime is 89504299. The reversal of 89504289 is 98240598.

It is not a de Polignac number, because 89504289 - 2⁴ = 89504273 is a prime.

It is a super-2 number, since 2×89504289² = 16022035498791042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89504299) 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 23 ways as a sum of consecutive naturals, for example, 41344 + ... + 43454.

It is an arithmetic number, because the mean of its divisors is an integer number (6168448).

Almost surely, 2^89504289 is an apocalyptic number.

It is an amenable number.

89504289 is a deficient number, since it is larger than the sum of its proper divisors (58538463).

89504289 is a wasteful number, since it uses less digits than its factorization.

89504289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 89504289 is about 9460.6706421902. The cubic root of 89504289 is about 447.3161884629.

The spelling of 89504289 in words is "eighty-nine million, five hundred four thousand, two hundred eighty-nine".