4221696 has 72 divisors (see below), whose sum is σ = 11773440. Its totient is φ = 1340416.

The previous prime is 4221691. The next prime is 4221703. The reversal of 4221696 is 6961224.

It is not an unprimeable number, because it can be changed into a prime (4221691) 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, 17545 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (163520).

Almost surely, 2^4221696 is an apocalyptic number.

4221696 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 4221696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5886720).

4221696 is an abundant number, since it is smaller than the sum of its proper divisors (7551744).

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

4221696 is a wasteful number, since it uses less digits than its factorization.

4221696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 267 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 4221696 is about 2054.6766168913. The cubic root of 4221696 is about 161.6202046430.

The spelling of 4221696 in words is "four million, two hundred twenty-one thousand, six hundred ninety-six".