86740 has 12 divisors (see below), whose sum is σ = 182196. Its totient is φ = 34688.

The previous prime is 86729. The next prime is 86743. The reversal of 86740 is 4768.

It can be written as a sum of positive squares in 2 ways, for example, as 11664 + 75076 = 108^2 + 274^2 .

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, 2149 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (15183).

2⁸⁶⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

86740 is an abundant number, since it is smaller than the sum of its proper divisors (95456).

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 (91098).

86740 is a wasteful number, since it uses less digits than its factorization.

86740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346 (or 4344 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 86740 is about 294.5165530153. The cubic root of 86740 is about 44.2662914679.

The spelling of 86740 in words is "eighty-six thousand, seven hundred forty".