84358 has 4 divisors (see below), whose sum is σ = 126540. Its totient is φ = 42178.

The previous prime is 84349. The next prime is 84377. The reversal of 84358 is 85348.

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

It is a congruent number.

It is an unprimeable number.

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, 21088 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (31635).

2⁸⁴³⁵⁸ is an apocalyptic number.

84358 is a deficient number, since it is larger than the sum of its proper divisors (42182).

84358 is a wasteful number, since it uses less digits than its factorization.

84358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42181.

The product of its digits is 3840, while the sum is 28.

The square root of 84358 is about 290.4444869506. Note that the first 4 decimals coincide. The cubic root of 84358 is about 43.8573201982.

Subtracting 84358 from its reverse (85348), we obtain a triangular number (990 = T₄₄).

The spelling of 84358 in words is "eighty-four thousand, three hundred fifty-eight".