89433 has 12 divisors (see below), whose sum is σ = 136240. Its totient is φ = 56376.
The previous prime is 89431. The next prime is 89443. The reversal of 89433 is 33498.
It is not a de Polignac number, because 89433 - 21 = 89431 is a prime.
It is a super-2 number, since 2×894332 = 15996522978, which contains 22 as substring.
It is a Duffinian number.
89433 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 89397 and 89406.
It is not an unprimeable number, because it can be changed into a prime (89431) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91 + ... + 432.
289433 is an apocalyptic number.
It is an amenable number.
89433 is a deficient number, since it is larger than the sum of its proper divisors (46807).
89433 is a wasteful number, since it uses less digits than its factorization.
89433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 548 (or 545 counting only the distinct ones).
The product of its digits is 2592, while the sum is 27.
The square root of 89433 is about 299.0535069181. The cubic root of 89433 is about 44.7197396413.
The spelling of 89433 in words is "eighty-nine thousand, four hundred thirty-three".
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