85849423 has 8 divisors (see below), whose sum is σ = 93721680. Its totient is φ = 77988480.

The previous prime is 85849411. The next prime is 85849427. The reversal of 85849423 is 32494858.

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 85849423 - 2⁹ = 85848911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85849423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85849427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24973 + ... + 28201.

It is an arithmetic number, because the mean of its divisors is an integer number (11715210).

Almost surely, 2^85849423 is an apocalyptic number.

85849423 is a deficient number, since it is larger than the sum of its proper divisors (7872257).

85849423 is a wasteful number, since it uses less digits than its factorization.

85849423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657.

The product of its digits is 276480, while the sum is 43.

The square root of 85849423 is about 9265.4963709453. The cubic root of 85849423 is about 441.1427303867.

The spelling of 85849423 in words is "eighty-five million, eight hundred forty-nine thousand, four hundred twenty-three".