84828843 has 64 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 48984480.

The previous prime is 84828839. The next prime is 84828859. The reversal of 84828843 is 34882848.

It is a happy number.

It is not a de Polignac number, because 84828843 - 2² = 84828839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84828833) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 823530 + ... + 823632.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^84828843 is an apocalyptic number.

84828843 is a deficient number, since it is larger than the sum of its proper divisors (58940757).

84828843 is a wasteful number, since it uses less digits than its factorization.

84828843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 223 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 84828843 is about 9210.2574882573. The cubic root of 84828843 is about 439.3876519784.

The spelling of 84828843 in words is "eighty-four million, eight hundred twenty-eight thousand, eight hundred forty-three".