4421656 has 8 divisors (see below), whose sum is σ = 8290620. Its totient is φ = 2210824.

The previous prime is 4421653. The next prime is 4421671. The reversal of 4421656 is 6561244.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276346 + ... + 276361.

Almost surely, 2^4421656 is an apocalyptic number.

It is an amenable number.

4421656 is a deficient number, since it is larger than the sum of its proper divisors (3868964).

4421656 is a wasteful number, since it uses less digits than its factorization.

4421656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552713 (or 552709 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 4421656 is about 2102.7734067179. The cubic root of 4421656 is about 164.1326509555.

The spelling of 4421656 in words is "four million, four hundred twenty-one thousand, six hundred fifty-six".