86497 has 4 divisors (see below), whose sum is σ = 87856. Its totient is φ = 85140.

The previous prime is 86491. The next prime is 86501. The reversal of 86497 is 79468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86497 - 2⁷ = 86369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86491) 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, 579 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (21964).

2⁸⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

86497 is a deficient number, since it is larger than the sum of its proper divisors (1359).

86497 is a wasteful number, since it uses less digits than its factorization.

86497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358.

The product of its digits is 12096, while the sum is 34.

The square root of 86497 is about 294.1037231998. The cubic root of 86497 is about 44.2249158266.

It can be divided in two parts, 864 and 97, that added together give a square (961 = 31²).

The spelling of 86497 in words is "eighty-six thousand, four hundred ninety-seven".