4429386 has 48 divisors (see below), whose sum is σ = 10797696. Its totient is φ = 1302048.

The previous prime is 4429357. The next prime is 4429391. The reversal of 4429386 is 6839244.

It is a happy number.

Its product of digits (41472) is a multiple of the sum of its prime divisors (864).

It is a self number, because there is not a number n which added to its sum of digits gives 4429386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4971 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (224952).

Almost surely, 2^4429386 is an apocalyptic number.

4429386 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4429386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5398848).

4429386 is an abundant number, since it is smaller than the sum of its proper divisors (6368310).

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

4429386 is a wasteful number, since it uses less digits than its factorization.

4429386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 864 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4429386 is about 2104.6106528287. The cubic root of 4429386 is about 164.2282415942.

The spelling of 4429386 in words is "four million, four hundred twenty-nine thousand, three hundred eighty-six".