86458 has 8 divisors (see below), whose sum is σ = 131040. Its totient is φ = 42780.

The previous prime is 86453. The next prime is 86461. The reversal of 86458 is 85468.

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

It is not an unprimeable number, because it can be changed into a prime (86453) 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, 123 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (16380).

2⁸⁶⁴⁵⁸ is an apocalyptic number.

86458 is a deficient number, since it is larger than the sum of its proper divisors (44582).

86458 is a wasteful number, since it uses less digits than its factorization.

86458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 7680, while the sum is 31.

The square root of 86458 is about 294.0374125855. The cubic root of 86458 is about 44.2182680778.

Subtracting from 86458 its reverse (85468), we obtain a triangular number (990 = T₄₄).

The spelling of 86458 in words is "eighty-six thousand, four hundred fifty-eight".