84782 has 4 divisors (see below), whose sum is σ = 127176. Its totient is φ = 42390.

The previous prime is 84761. The next prime is 84787. The reversal of 84782 is 28748.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21194 + ... + 21197.

It is an arithmetic number, because the mean of its divisors is an integer number (31794).

2⁸⁴⁷⁸² is an apocalyptic number.

84782 is a deficient number, since it is larger than the sum of its proper divisors (42394).

84782 is a wasteful number, since it uses less digits than its factorization.

84782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42393.

The product of its digits is 3584, while the sum is 29.

The square root of 84782 is about 291.1734878041. The cubic root of 84782 is about 43.9306759581.

It can be divided in two parts, 847 and 82, that added together give a palindrome (929).

The spelling of 84782 in words is "eighty-four thousand, seven hundred eighty-two".