84323816 has 16 divisors (see below), whose sum is σ = 158253540. Its totient is φ = 42122880.

The previous prime is 84323801. The next prime is 84323821. The reversal of 84323816 is 61832348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82992100 + 1331716 = 9110^2 + 1154^2 .

It is a super-2 number, since 2×84323816² = 14221011889603712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636 + ... + 14156.

Almost surely, 2^84323816 is an apocalyptic number.

It is an amenable number.

84323816 is a deficient number, since it is larger than the sum of its proper divisors (73929724).

84323816 is a wasteful number, since it uses less digits than its factorization.

84323816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9764 (or 9760 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 84323816 is about 9182.8000087119. The cubic root of 84323816 is about 438.5139536521.

The spelling of 84323816 in words is "eighty-four million, three hundred twenty-three thousand, eight hundred sixteen".