89432471 has 4 divisors (see below), whose sum is σ = 90767352. Its totient is φ = 88097592.

The previous prime is 89432467. The next prime is 89432479. The reversal of 89432471 is 17423498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17423498 = 2 ⋅8711749.

It is a cyclic number.

It is not a de Polignac number, because 89432471 - 2² = 89432467 is a prime.

It is a super-3 number, since 3×89432471³ (a number of 25 digits) contains 333 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 (89432479) 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, 667340 + ... + 667473.

It is an arithmetic number, because the mean of its divisors is an integer number (22691838).

Almost surely, 2^89432471 is an apocalyptic number.

89432471 is a deficient number, since it is larger than the sum of its proper divisors (1334881).

89432471 is a wasteful number, since it uses less digits than its factorization.

89432471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334880.

The product of its digits is 48384, while the sum is 38.

The square root of 89432471 is about 9456.8742721895. The cubic root of 89432471 is about 447.1965146809.

The spelling of 89432471 in words is "eighty-nine million, four hundred thirty-two thousand, four hundred seventy-one".