86450 has 48 divisors (see below), whose sum is σ = 208320. Its totient is φ = 25920.

The previous prime is 86441. The next prime is 86453. The reversal of 86450 is 5468.

It is an Ulam number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4541 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (4340).

2⁸⁶⁴⁵⁰ is an apocalyptic number.

86450 is an abundant number, since it is smaller than the sum of its proper divisors (121870).

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 (104160).

86450 is a wasteful number, since it uses less digits than its factorization.

86450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 86450 is about 294.0238085598. The cubic root of 86450 is about 44.2169041899.

The spelling of 86450 in words is "eighty-six thousand, four hundred fifty".