89285839 has 8 divisors (see below), whose sum is σ = 94292352. Its totient is φ = 84373080.

The previous prime is 89285831. The next prime is 89285843. The reversal of 89285839 is 93858298.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89285839 - 2³ = 89285831 is a prime.

It is a super-2 number, since 2×89285839² = 15943922091867842, 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 (89285831) 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, 21477 + ... + 25294.

It is an arithmetic number, because the mean of its divisors is an integer number (11786544).

Almost surely, 2^89285839 is an apocalyptic number.

89285839 is a deficient number, since it is larger than the sum of its proper divisors (5006513).

89285839 is a wasteful number, since it uses less digits than its factorization.

89285839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46877.

The product of its digits is 1244160, while the sum is 52.

The square root of 89285839 is about 9449.1184244881. The cubic root of 89285839 is about 446.9519756489.

The spelling of 89285839 in words is "eighty-nine million, two hundred eighty-five thousand, eight hundred thirty-nine".