85247232 has 144 divisors (see below), whose sum is σ = 263528832. Its totient is φ = 23961600.

The previous prime is 85247209. The next prime is 85247257. The reversal of 85247232 is 23274258.

It is a junction number, because it is equal to n+sod(n) for n = 85247193 and 85247202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542898 + ... + 543054.

Almost surely, 2^85247232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85247232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131764416).

85247232 is an abundant number, since it is smaller than the sum of its proper divisors (178281600).

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

85247232 is a wasteful number, since it uses less digits than its factorization.

85247232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 270 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 85247232 is about 9232.9427594890. The cubic root of 85247232 is about 440.1088435964.

It can be divided in two parts, 852 and 47232, that added together give a palindrome (48084).

The spelling of 85247232 in words is "eighty-five million, two hundred forty-seven thousand, two hundred thirty-two".