86744 has 16 divisors (see below), whose sum is σ = 186000. Its totient is φ = 37152.

The previous prime is 86743. The next prime is 86753. The reversal of 86744 is 44768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (11625).

2⁸⁶⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

86744 is an abundant number, since it is smaller than the sum of its proper divisors (99256).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93000).

86744 is a wasteful number, since it uses less digits than its factorization.

86744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 1558 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 86744 is about 294.5233437268. The cubic root of 86744 is about 44.2669719016.

The spelling of 86744 in words is "eighty-six thousand, seven hundred forty-four".