89494287 has 4 divisors (see below), whose sum is σ = 119325720. Its totient is φ = 59662856.

The previous prime is 89494253. The next prime is 89494337. The reversal of 89494287 is 78249498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89494287 - 2⁷ = 89494159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89494247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14915712 + ... + 14915717.

It is an arithmetic number, because the mean of its divisors is an integer number (29831430).

Almost surely, 2^89494287 is an apocalyptic number.

89494287 is a deficient number, since it is larger than the sum of its proper divisors (29831433).

89494287 is a wasteful number, since it uses less digits than its factorization.

89494287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29831432.

The product of its digits is 1161216, while the sum is 51.

The square root of 89494287 is about 9460.1420179615. The cubic root of 89494287 is about 447.2995254879.

The spelling of 89494287 in words is "eighty-nine million, four hundred ninety-four thousand, two hundred eighty-seven".