4229946 has 48 divisors (see below), whose sum is σ = 10670400. Its totient is φ = 1185984.

The previous prime is 4229941. The next prime is 4229947. The reversal of 4229946 is 6499224.

It is a d-powerful number, because it can be written as 4⁴ + 2⁹ + 2¹⁵ + 9² + 9³ + 4¹¹ + 6⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4229946.

It is not an unprimeable number, because it can be changed into a prime (4229941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7150 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (222300).

Almost surely, 2^4229946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4229946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335200).

4229946 is an abundant number, since it is smaller than the sum of its proper divisors (6440454).

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

4229946 is a wasteful number, since it uses less digits than its factorization.

4229946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 640 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 4229946 is about 2056.6832522292. The cubic root of 4229946 is about 161.7254150512.

The spelling of 4229946 in words is "four million, two hundred twenty-nine thousand, nine hundred forty-six".