6544956 has 48 divisors (see below), whose sum is σ = 16813440. Its totient is φ = 1965120.

The previous prime is 6544943. The next prime is 6545003. The reversal of 6544956 is 6594456.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23490 + ... + 23766.

It is an arithmetic number, because the mean of its divisors is an integer number (350280).

Almost surely, 2^6544956 is an apocalyptic number.

6544956 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6544956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8406720).

6544956 is an abundant number, since it is smaller than the sum of its proper divisors (10268484).

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

6544956 is a wasteful number, since it uses less digits than its factorization.

6544956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 6544956 is about 2558.3111616846. The cubic root of 6544956 is about 187.0548229738.

The spelling of 6544956 in words is "six million, five hundred forty-four thousand, nine hundred fifty-six".