85723284 has 24 divisors (see below), whose sum is σ = 203008288. Its totient is φ = 28147680.

The previous prime is 85723273. The next prime is 85723289. The reversal of 85723284 is 48232758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85723289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52507 + ... + 54114.

Almost surely, 2^85723284 is an apocalyptic number.

It is an amenable number.

85723284 is an abundant number, since it is smaller than the sum of its proper divisors (117285004).

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

85723284 is a wasteful number, since it uses less digits than its factorization.

85723284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106695 (or 106693 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 85723284 is about 9258.6869479425. The cubic root of 85723284 is about 440.9265667189.

The spelling of 85723284 in words is "eighty-five million, seven hundred twenty-three thousand, two hundred eighty-four".