84562 has 4 divisors (see below), whose sum is σ = 126846. Its totient is φ = 42280.

The previous prime is 84559. The next prime is 84589. The reversal of 84562 is 26548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48841 + 35721 = 221^2 + 189^2 .

It is an unprimeable number.

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

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21139 + ... + 21142.

2⁸⁴⁵⁶² is an apocalyptic number.

84562 is a deficient number, since it is larger than the sum of its proper divisors (42284).

84562 is a wasteful number, since it uses less digits than its factorization.

84562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42283.

The product of its digits is 1920, while the sum is 25.

The square root of 84562 is about 290.7954607624. The cubic root of 84562 is about 43.8926446132.

It can be divided in two parts, 84 and 562, that added together give a palindrome (646).

The spelling of 84562 in words is "eighty-four thousand, five hundred sixty-two".