84393715 has 16 divisors (see below), whose sum is σ = 116022528. Its totient is φ = 57728736.

The previous prime is 84393697. The next prime is 84393719. The reversal of 84393715 is 51739348.

It is a cyclic number.

It is not a de Polignac number, because 84393715 - 2⁷ = 84393587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84393719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12784 + ... + 18226.

It is an arithmetic number, because the mean of its divisors is an integer number (7251408).

Almost surely, 2^84393715 is an apocalyptic number.

84393715 is a deficient number, since it is larger than the sum of its proper divisors (31628813).

84393715 is a wasteful number, since it uses less digits than its factorization.

84393715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898.

The product of its digits is 90720, while the sum is 40.

The square root of 84393715 is about 9186.6051945210. The cubic root of 84393715 is about 438.6350867743.

The spelling of 84393715 in words is "eighty-four million, three hundred ninety-three thousand, seven hundred fifteen".