86390 has 16 divisors (see below), whose sum is σ = 159408. Its totient is φ = 33696.

The previous prime is 86389. The next prime is 86399. The reversal of 86390 is 9368.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86399) 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, 449 + ... + 611.

It is an arithmetic number, because the mean of its divisors is an integer number (9963).

2⁸⁶³⁹⁰ is an apocalyptic number.

86390 is a deficient number, since it is larger than the sum of its proper divisors (73018).

86390 is a wasteful number, since it uses less digits than its factorization.

86390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 86390 is about 293.9217582963. The cubic root of 86390 is about 44.2066723477.

Multiplying 86390 by its sum of digits (26), we get a triangular number (2246140 = T₂₁₁₉).

The spelling of 86390 in words is "eighty-six thousand, three hundred ninety".