89624089 has 3 divisors (see below), whose sum is σ = 89633557.
Its totient is φ = 89614622.
The previous prime is 89624039. The next prime is 89624099. The reversal of 89624089 is 98042698.
The square root of 89624089 is 9467.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 89624089 - 215 = 89591321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89624039) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4734 + ... + 14200.
Almost surely, 289624089 is an apocalyptic number.
89624089 is the 9467-th square number.
89624089 is the 4734-th centered octagonal number.
It is an amenable number.
89624089 is a deficient number, since it is larger than the sum of its proper divisors (9468).
89624089 is an frugal number, since it uses more digits than its factorization.
89624089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18934 (or 9467 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 46.
The cubic root of 89624089 is about 447.5156745755.
The spelling of 89624089 in words is "eighty-nine million, six hundred twenty-four thousand, eighty-nine".