89866469 has 16 divisors (see below), whose sum is σ = 112544640. Its totient is φ = 69711360.

The previous prime is 89866457. The next prime is 89866487. The reversal of 89866469 is 96466898.

It is a cyclic number.

It is not a de Polignac number, because 89866469 - 2¹² = 89862373 is a prime.

It is a super-2 number, since 2×89866469² = 16151964501055922, 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 (89866069) 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 15 ways as a sum of consecutive naturals, for example, 15437 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (7034040).

Almost surely, 2^89866469 is an apocalyptic number.

It is an amenable number.

89866469 is a deficient number, since it is larger than the sum of its proper divisors (22678171).

89866469 is a wasteful number, since it uses less digits than its factorization.

89866469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260.

The product of its digits is 4478976, while the sum is 56.

The square root of 89866469 is about 9479.7926665091. The cubic root of 89866469 is about 447.9187329339.

The spelling of 89866469 in words is "eighty-nine million, eight hundred sixty-six thousand, four hundred sixty-nine".