6541836 has 48 divisors (see below), whose sum is σ = 17826816. Its totient is φ = 1828224.

The previous prime is 6541831. The next prime is 6541841. The reversal of 6541836 is 6381456.

It is an interprime number because it is at equal distance from previous prime (6541831) and next prime (6541841).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6541797 and 6541806.

It is not an unprimeable number, because it can be changed into a prime (6541831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3120 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (371392).

Almost surely, 2^6541836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6541836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8913408).

6541836 is an abundant number, since it is smaller than the sum of its proper divisors (11284980).

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

6541836 is a wasteful number, since it uses less digits than its factorization.

6541836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1716 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 6541836 is about 2557.7013117250. The cubic root of 6541836 is about 187.0250950526.

The spelling of 6541836 in words is "six million, five hundred forty-one thousand, eight hundred thirty-six".