84536 has 8 divisors (see below), whose sum is σ = 158520. Its totient is φ = 42264.

The previous prime is 84533. The next prime is 84551. The reversal of 84536 is 63548.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5276 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (19815).

2⁸⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

84536 is a deficient number, since it is larger than the sum of its proper divisors (73984).

84536 is a wasteful number, since it uses less digits than its factorization.

84536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573 (or 10569 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 84536 is about 290.7507523636. The cubic root of 84536 is about 43.8881456431. Note that the first 3 decimals are identical.

The spelling of 84536 in words is "eighty-four thousand, five hundred thirty-six".