6245556 has 48 divisors (see below), whose sum is σ = 15301440. Its totient is φ = 1980160.

The previous prime is 6245549. The next prime is 6245557. The reversal of 6245556 is 6555426.

6245556 = T₃₈₀ + T₃₈₁ + ... + T₄₅₁.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45520 + ... + 45656.

It is an arithmetic number, because the mean of its divisors is an integer number (318780).

Almost surely, 2^6245556 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 6245556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7650720).

6245556 is an abundant number, since it is smaller than the sum of its proper divisors (9055884).

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

6245556 is a wasteful number, since it uses less digits than its factorization.

6245556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 302 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 6245556 is about 2499.1110419507. Note that the first 3 decimals coincide. The cubic root of 6245556 is about 184.1579063511.

The spelling of 6245556 in words is "six million, two hundred forty-five thousand, five hundred fifty-six".