84126500 has 24 divisors (see below), whose sum is σ = 183733368. Its totient is φ = 33650400.

The previous prime is 84126499. The next prime is 84126521. The reversal of 84126500 is 562148.

It can be written as a sum of positive squares in 4 ways, for example, as 9096256 + 75030244 = 3016^2 + 8662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84126500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83627 + ... + 84626.

It is an arithmetic number, because the mean of its divisors is an integer number (7655557).

Almost surely, 2^84126500 is an apocalyptic number.

It is an amenable number.

84126500 is an abundant number, since it is smaller than the sum of its proper divisors (99606868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84126500 is a wasteful number, since it uses less digits than its factorization.

84126500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168272 (or 168260 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 84126500 is about 9172.0499344476. The cubic root of 84126500 is about 438.1716486316.

Adding to 84126500 its reverse (562148), we get a palindrome (84688648).

The spelling of 84126500 in words is "eighty-four million, one hundred twenty-six thousand, five hundred".