4394430 has 48 divisors (see below), whose sum is σ = 11535264. Its totient is φ = 1160640.

The previous prime is 4394419. The next prime is 4394431. The reversal of 4394430 is 344934.

It is a super-2 number, since 2×4394430² = 38622030049800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4394394 and 4394403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394431) 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, 13975 + ... + 14285.

It is an arithmetic number, because the mean of its divisors is an integer number (240318).

Almost surely, 2^4394430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4394430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5767632).

4394430 is an abundant number, since it is smaller than the sum of its proper divisors (7140834).

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

4394430 is a wasteful number, since it uses less digits than its factorization.

4394430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 4394430 is about 2096.2895792328. The cubic root of 4394430 is about 163.7950791725.

The spelling of 4394430 in words is "four million, three hundred ninety-four thousand, four hundred thirty".