6541864 has 16 divisors (see below), whose sum is σ = 14018400. Its totient is φ = 2803632.

The previous prime is 6541841. The next prime is 6541877. The reversal of 6541864 is 4681456.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58354 + ... + 58465.

It is an arithmetic number, because the mean of its divisors is an integer number (876150).

Almost surely, 2^6541864 is an apocalyptic number.

It is an amenable number.

6541864 is an abundant number, since it is smaller than the sum of its proper divisors (7476536).

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

6541864 is a wasteful number, since it uses less digits than its factorization.

6541864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116832 (or 116828 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 6541864 is about 2557.7067853841. The cubic root of 6541864 is about 187.0253618837.

The spelling of 6541864 in words is "six million, five hundred forty-one thousand, eight hundred sixty-four".