85738236 has 12 divisors (see below), whose sum is σ = 200055912. Its totient is φ = 28579408.

The previous prime is 85738231. The next prime is 85738267. The reversal of 85738236 is 63283758.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×85738236² = 14702090224783392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85738231) 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, 3572415 + ... + 3572438.

It is an arithmetic number, because the mean of its divisors is an integer number (16671326).

Almost surely, 2^85738236 is an apocalyptic number.

It is an amenable number.

85738236 is an abundant number, since it is smaller than the sum of its proper divisors (114317676).

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

85738236 is a wasteful number, since it uses less digits than its factorization.

85738236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144860 (or 7144858 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 85738236 is about 9259.4943706447. The cubic root of 85738236 is about 440.9522009475.

It can be divided in two parts, 857 and 38236, that added together give a palindrome (39093).

The spelling of 85738236 in words is "eighty-five million, seven hundred thirty-eight thousand, two hundred thirty-six".