84058 has 16 divisors (see below), whose sum is σ = 140616. Its totient is φ = 37440.

The previous prime is 84053. The next prime is 84059. The reversal of 84058 is 85048.

It can be written as a sum of positive squares in 4 ways, for example, as 42849 + 41209 = 207^2 + 203^2 .

It is not an unprimeable number, because it can be changed into a prime (84053) 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 in 7 ways as a sum of consecutive naturals, for example, 1348 + ... + 1408.

2⁸⁴⁰⁵⁸ is an apocalyptic number.

84058 is a deficient number, since it is larger than the sum of its proper divisors (56558).

84058 is a wasteful number, since it uses less digits than its factorization.

84058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 84058 is about 289.9275771637. The cubic root of 84058 is about 43.8052689254.

Subtracting 84058 from its reverse (85048), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 840 and 58, that added together give a palindrome (898).

The spelling of 84058 in words is "eighty-four thousand, fifty-eight".