84310842 has 64 divisors (see below), whose sum is σ = 215405568. Its totient is φ = 21360000.

The previous prime is 84310799. The next prime is 84310843. The reversal of 84310842 is 24801348.

It is not an unprimeable number, because it can be changed into a prime (84310843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16717 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (3365712).

Almost surely, 2^84310842 is an apocalyptic number.

84310842 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 84310842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107702784).

84310842 is an abundant number, since it is smaller than the sum of its proper divisors (131094726).

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

84310842 is a wasteful number, since it uses less digits than its factorization.

84310842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 84310842 is about 9182.0935521263. The cubic root of 84310842 is about 438.4914626877.

The spelling of 84310842 in words is "eighty-four million, three hundred ten thousand, eight hundred forty-two".