4481556 has 12 divisors (see below), whose sum is σ = 10456992. Its totient is φ = 1493848.

The previous prime is 4481537. The next prime is 4481567. The reversal of 4481556 is 6551844.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4481556² = 40168688362272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186720 + ... + 186743.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 2^4481556 is an apocalyptic number.

It is an amenable number.

4481556 is an abundant number, since it is smaller than the sum of its proper divisors (5975436).

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

4481556 is a wasteful number, since it uses less digits than its factorization.

4481556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373470 (or 373468 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 4481556 is about 2116.9685873909. The cubic root of 4481556 is about 164.8704952591.

The spelling of 4481556 in words is "four million, four hundred eighty-one thousand, five hundred fifty-six".