89285238 has 48 divisors (see below), whose sum is σ = 221634816. Its totient is φ = 25446960.

The previous prime is 89285233. The next prime is 89285257. The reversal of 89285238 is 83258298.

It is a junction number, because it is equal to n+sod(n) for n = 89285193 and 89285202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89285233) 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 23 ways as a sum of consecutive naturals, for example, 78945 + ... + 80067.

It is an arithmetic number, because the mean of its divisors is an integer number (4617392).

Almost surely, 2^89285238 is an apocalyptic number.

89285238 is an abundant number, since it is smaller than the sum of its proper divisors (132349578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89285238 is a wasteful number, since it uses less digits than its factorization.

89285238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1766 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 89285238 is about 9449.0866225260. The cubic root of 89285238 is about 446.9509728070.

The spelling of 89285238 in words is "eighty-nine million, two hundred eighty-five thousand, two hundred thirty-eight".