6816342 has 32 divisors (see below), whose sum is σ = 15160320. Its totient is φ = 2028960.

The previous prime is 6816331. The next prime is 6816361. The reversal of 6816342 is 2436186.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (473760).

Almost surely, 2^6816342 is an apocalyptic number.

6816342 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6816342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7580160).

6816342 is an abundant number, since it is smaller than the sum of its proper divisors (8343978).

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

6816342 is a wasteful number, since it uses less digits than its factorization.

6816342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its digits is 6912, while the sum is 30.

The square root of 6816342 is about 2610.8125172061. The cubic root of 6816342 is about 189.6052932525.

The spelling of 6816342 in words is "six million, eight hundred sixteen thousand, three hundred forty-two".