84563250 has 64 divisors (see below), whose sum is σ = 212868864. Its totient is φ = 22358400.

The previous prime is 84563239. The next prime is 84563299. The reversal of 84563250 is 5236548.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 102339 + ... + 103161.

It is an arithmetic number, because the mean of its divisors is an integer number (3326076).

Almost surely, 2^84563250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84563250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106434432).

84563250 is an abundant number, since it is smaller than the sum of its proper divisors (128305614).

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

84563250 is a wasteful number, since it uses less digits than its factorization.

84563250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 84563250 is about 9195.8278583279. The cubic root of 84563250 is about 438.9286088664.

Adding to 84563250 its reverse (5236548), we get a palindrome (89799798).

The spelling of 84563250 in words is "eighty-four million, five hundred sixty-three thousand, two hundred fifty".