6341840 has 20 divisors (see below), whose sum is σ = 14744964. Its totient is φ = 2536704.

The previous prime is 6341831. The next prime is 6341843. The reversal of 6341840 is 481436.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 4682896 = 1288^2 + 2164^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6341843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39557 + ... + 39716.

Almost surely, 2^6341840 is an apocalyptic number.

It is an amenable number.

6341840 is an abundant number, since it is smaller than the sum of its proper divisors (8403124).

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

6341840 is a wasteful number, since it uses less digits than its factorization.

6341840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79286 (or 79280 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 6341840 is about 2518.3010145731. The cubic root of 6341840 is about 185.0994352231.

The spelling of 6341840 in words is "six million, three hundred forty-one thousand, eight hundred forty".