85334638 has 4 divisors (see below), whose sum is σ = 128001960. Its totient is φ = 42667318.

The previous prime is 85334633. The next prime is 85334651. The reversal of 85334638 is 83643358.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 85334638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85334633) 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 as a sum of consecutive naturals, namely, 21333658 + ... + 21333661.

It is an arithmetic number, because the mean of its divisors is an integer number (32000490).

Almost surely, 2^85334638 is an apocalyptic number.

85334638 is a deficient number, since it is larger than the sum of its proper divisors (42667322).

85334638 is a wasteful number, since it uses less digits than its factorization.

85334638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42667321.

The product of its digits is 207360, while the sum is 40.

The square root of 85334638 is about 9237.6749239189. The cubic root of 85334638 is about 440.2592102133.

The spelling of 85334638 in words is "eighty-five million, three hundred thirty-four thousand, six hundred thirty-eight".