84394863 has 12 divisors (see below), whose sum is σ = 139318608. Its totient is φ = 48225600.

The previous prime is 84394837. The next prime is 84394867. The reversal of 84394863 is 36849348.

It is not a de Polignac number, because 84394863 - 2⁶ = 84394799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84394867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669738 + ... + 669863.

It is an arithmetic number, because the mean of its divisors is an integer number (11609884).

Almost surely, 2^84394863 is an apocalyptic number.

84394863 is a deficient number, since it is larger than the sum of its proper divisors (54923745).

84394863 is a wasteful number, since it uses less digits than its factorization.

84394863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339614 (or 1339611 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 84394863 is about 9186.6676765844. The cubic root of 84394863 is about 438.6370756696.

The spelling of 84394863 in words is "eighty-four million, three hundred ninety-four thousand, eight hundred sixty-three".