4421688 has 32 divisors (see below), whose sum is σ = 11437200. Its totient is φ = 1422848.

The previous prime is 4421671. The next prime is 4421689. The reversal of 4421688 is 8861244.

It is a super-3 number, since 3×4421688³ (a number of 21 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481 + ... + 3872.

Almost surely, 2^4421688 is an apocalyptic number.

It is an amenable number.

4421688 is an abundant number, since it is smaller than the sum of its proper divisors (7015512).

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

4421688 is a wasteful number, since it uses less digits than its factorization.

4421688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391 (or 6387 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 4421688 is about 2102.7810157028. The cubic root of 4421688 is about 164.1330469031.

The spelling of 4421688 in words is "four million, four hundred twenty-one thousand, six hundred eighty-eight".