86281244 has 36 divisors (see below), whose sum is σ = 176040144. Its totient is φ = 36246912.

The previous prime is 86281243. The next prime is 86281253. The reversal of 86281244 is 44218268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86281243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78104 + ... + 79200.

It is an arithmetic number, because the mean of its divisors is an integer number (4890004).

Almost surely, 2^86281244 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 86281244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88020072).

86281244 is an abundant number, since it is smaller than the sum of its proper divisors (89758900).

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

86281244 is a wasteful number, since it uses less digits than its factorization.

86281244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1159 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 86281244 is about 9288.7697786090. The cubic root of 86281244 is about 441.8811402791.

The spelling of 86281244 in words is "eighty-six million, two hundred eighty-one thousand, two hundred forty-four".