86739 has 8 divisors (see below), whose sum is σ = 119760. Its totient is φ = 55776.

The previous prime is 86729. The next prime is 86743. The reversal of 86739 is 93768.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86739 - 2¹¹ = 84691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (14970).

2⁸⁶⁷³⁹ is an apocalyptic number.

86739 is a deficient number, since it is larger than the sum of its proper divisors (33021).

86739 is a wasteful number, since it uses less digits than its factorization.

86739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029.

The product of its digits is 9072, while the sum is 33.

The square root of 86739 is about 294.5148553129. The cubic root of 86739 is about 44.2661213562.

The spelling of 86739 in words is "eighty-six thousand, seven hundred thirty-nine".