85824036 has 30 divisors (see below), whose sum is σ = 224361830. Its totient is φ = 28607904.

The previous prime is 85824031. The next prime is 85824059. The reversal of 85824036 is 63042858.

85824036 is a `hidden beast` number, since 8 + 582 + 40 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 23097636 = 7920^2 + 4806^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (85824031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 132121 + ... + 132768.

Almost surely, 2^85824036 is an apocalyptic number.

It is an amenable number.

85824036 is an abundant number, since it is smaller than the sum of its proper divisors (138537794).

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

85824036 is a wasteful number, since it uses less digits than its factorization.

85824036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264905 (or 264894 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 85824036 is about 9264.1262944759. The cubic root of 85824036 is about 441.0992418606.

The spelling of 85824036 in words is "eighty-five million, eight hundred twenty-four thousand, thirty-six".