4223996 has 36 divisors (see below), whose sum is σ = 8982288. Its totient is φ = 1729728.

The previous prime is 4223993. The next prime is 4224037. The reversal of 4223996 is 6993224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4040 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (249508).

Almost surely, 2^4223996 is an apocalyptic number.

4223996 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 4223996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4491144).

4223996 is an abundant number, since it is smaller than the sum of its proper divisors (4758292).

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

4223996 is a wasteful number, since it uses less digits than its factorization.

4223996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 969 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 4223996 is about 2055.2362394625. The cubic root of 4223996 is about 161.6495497991.

The spelling of 4223996 in words is "four million, two hundred twenty-three thousand, nine hundred ninety-six".