84393 has 6 divisors (see below), whose sum is σ = 121914. Its totient is φ = 56256.

The previous prime is 84391. The next prime is 84401. The reversal of 84393 is 39348.

It can be written as a sum of positive squares in only one way, i.e., 56169 + 28224 = 237^2 + 168^2 .

It is not a de Polignac number, because 84393 - 2¹ = 84391 is a prime.

84393 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4680 + ... + 4697.

It is an arithmetic number, because the mean of its divisors is an integer number (20319).

2⁸⁴³⁹³ is an apocalyptic number.

It is an amenable number.

84393 is a deficient number, since it is larger than the sum of its proper divisors (37521).

84393 is a wasteful number, since it uses less digits than its factorization.

84393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383 (or 9380 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 84393 is about 290.5047331800. The cubic root of 84393 is about 43.8633848037.

The spelling of 84393 in words is "eighty-four thousand, three hundred ninety-three".