6218142 has 64 divisors (see below), whose sum is σ = 15289344. Its totient is φ = 1647360.

The previous prime is 6218117. The next prime is 6218143. The reversal of 6218142 is 2418126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6218143) 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, 39528 + ... + 39684.

It is an arithmetic number, because the mean of its divisors is an integer number (238896).

Almost surely, 2^6218142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6218142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7644672).

6218142 is an abundant number, since it is smaller than the sum of its proper divisors (9071202).

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

6218142 is a wasteful number, since it uses less digits than its factorization.

6218142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its digits is 768, while the sum is 24.

The square root of 6218142 is about 2493.6202597830. The cubic root of 6218142 is about 183.8880659782. Note that the first 3 decimals are identical.

The spelling of 6218142 in words is "six million, two hundred eighteen thousand, one hundred forty-two".