6140838 has 64 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 1712160.

The previous prime is 6140807. The next prime is 6140843. The reversal of 6140838 is 8380416.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73945 + ... + 74027.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^6140838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6140838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7257600).

6140838 is an abundant number, since it is smaller than the sum of its proper divisors (8374362).

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

6140838 is a wasteful number, since it uses less digits than its factorization.

6140838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 6140838 is about 2478.0714275420. The cubic root of 6140838 is about 183.1228533958.

The spelling of 6140838 in words is "six million, one hundred forty thousand, eight hundred thirty-eight".