6501864 has 32 divisors (see below), whose sum is σ = 16380000. Its totient is φ = 2150592.

The previous prime is 6501863. The next prime is 6501889. The reversal of 6501864 is 4681056.

6501864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6501863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (511875).

Almost surely, 2^6501864 is an apocalyptic number.

It is an amenable number.

6501864 is an abundant number, since it is smaller than the sum of its proper divisors (9878136).

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

6501864 is a wasteful number, since it uses less digits than its factorization.

6501864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6501864 is about 2549.8752910682. The cubic root of 6501864 is about 186.6433956251.

The spelling of 6501864 in words is "six million, five hundred one thousand, eight hundred sixty-four".