85489238 has 8 divisors (see below), whose sum is σ = 128294280. Its totient is φ = 42724480.

The previous prime is 85489237. The next prime is 85489241. The reversal of 85489238 is 83298458.

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

It is a junction number, because it is equal to n+sod(n) for n = 85489192 and 85489201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85489237) 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 3 ways as a sum of consecutive naturals, for example, 4043 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (16036785).

Almost surely, 2^85489238 is an apocalyptic number.

85489238 is a deficient number, since it is larger than the sum of its proper divisors (42805042).

85489238 is a wasteful number, since it uses less digits than its factorization.

85489238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20142.

The product of its digits is 552960, while the sum is 47.

The square root of 85489238 is about 9246.0390438284. The cubic root of 85489238 is about 440.5249210396.

The spelling of 85489238 in words is "eighty-five million, four hundred eighty-nine thousand, two hundred thirty-eight".