84739886 has 32 divisors (see below), whose sum is σ = 166821120. Its totient is φ = 31276800.

The previous prime is 84739819. The next prime is 84739901. The reversal of 84739886 is 68893748.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11555 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (5213160).

Almost surely, 2^84739886 is an apocalyptic number.

84739886 is a deficient number, since it is larger than the sum of its proper divisors (82081234).

84739886 is a wasteful number, since it uses less digits than its factorization.

84739886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29000.

The product of its digits is 2322432, while the sum is 53.

The square root of 84739886 is about 9205.4269862946. The cubic root of 84739886 is about 439.2340081750.

The spelling of 84739886 in words is "eighty-four million, seven hundred thirty-nine thousand, eight hundred eighty-six".