84395850 has 96 divisors (see below), whose sum is σ = 260983296. Its totient is φ = 17534400.

The previous prime is 84395827. The next prime is 84395851. The reversal of 84395850 is 5859348.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84395851) 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 47 ways as a sum of consecutive naturals, for example, 7897 + ... + 15203.

It is an arithmetic number, because the mean of its divisors is an integer number (2718576).

Almost surely, 2^84395850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84395850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130491648).

84395850 is an abundant number, since it is smaller than the sum of its proper divisors (176587446).

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

84395850 is a wasteful number, since it uses less digits than its factorization.

84395850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7335 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 84395850 is about 9186.7213955796. The cubic root of 84395850 is about 438.6387856201.

The spelling of 84395850 in words is "eighty-four million, three hundred ninety-five thousand, eight hundred fifty".