4486656 has 80 divisors (see below), whose sum is σ = 12570624. Its totient is φ = 1419264.

The previous prime is 4486649. The next prime is 4486673. The reversal of 4486656 is 6566844.

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 7 ways as a sum of consecutive naturals, for example, 35265 + ... + 35391.

Almost surely, 2^4486656 is an apocalyptic number.

4486656 is a gapful number since it is divisible by the number (46) 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 4486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6285312).

4486656 is an abundant number, since it is smaller than the sum of its proper divisors (8083968).

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

4486656 is a wasteful number, since it uses less digits than its factorization.

4486656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 155 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 4486656 is about 2118.1727974837. The cubic root of 4486656 is about 164.9330122934.

The spelling of 4486656 in words is "four million, four hundred eighty-six thousand, six hundred fifty-six".