89805469 has 8 divisors (see below), whose sum is σ = 96832512. Its totient is φ = 82795440.

The previous prime is 89805467. The next prime is 89805487. The reversal of 89805469 is 96450898.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89805469 - 2¹ = 89805467 is a prime.

It is a super-2 number, since 2×89805469² = 16130044524619922, 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 (89805467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8052 + ... + 15634.

It is an arithmetic number, because the mean of its divisors is an integer number (12104064).

Almost surely, 2^89805469 is an apocalyptic number.

It is an amenable number.

89805469 is a deficient number, since it is larger than the sum of its proper divisors (7027043).

89805469 is a wasteful number, since it uses less digits than its factorization.

89805469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 89805469 is about 9476.5747504043. The cubic root of 89805469 is about 447.8173631739.

The spelling of 89805469 in words is "eighty-nine million, eight hundred five thousand, four hundred sixty-nine".