84840052 has 12 divisors (see below), whose sum is σ = 161967456. Its totient is φ = 38563640.

The previous prime is 84840043. The next prime is 84840059. The reversal of 84840052 is 25004848.

It is a junction number, because it is equal to n+sod(n) for n = 84839996 and 84840023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84840059) 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 3 ways as a sum of consecutive naturals, for example, 964048 + ... + 964135.

It is an arithmetic number, because the mean of its divisors is an integer number (13497288).

Almost surely, 2^84840052 is an apocalyptic number.

It is an amenable number.

84840052 is a deficient number, since it is larger than the sum of its proper divisors (77127404).

84840052 is a wasteful number, since it uses less digits than its factorization.

84840052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928198 (or 1928196 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 84840052 is about 9210.8659744890. The cubic root of 84840052 is about 439.4070041984.

The spelling of 84840052 in words is "eighty-four million, eight hundred forty thousand, fifty-two".