4394320 has 120 divisors (see below), whose sum is σ = 12722400. Its totient is φ = 1403136.

The previous prime is 4394309. The next prime is 4394321. The reversal of 4394320 is 234934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394321) 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, 74451 + ... + 74509.

It is an arithmetic number, because the mean of its divisors is an integer number (106020).

Almost surely, 2^4394320 is an apocalyptic number.

4394320 is a gapful number since it is divisible by the number (40) 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 4394320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6361200).

4394320 is an abundant number, since it is smaller than the sum of its proper divisors (8328080).

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

4394320 is a wasteful number, since it uses less digits than its factorization.

4394320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 4394320 is about 2096.2633422354. The cubic root of 4394320 is about 163.7937124720.

The spelling of 4394320 in words is "four million, three hundred ninety-four thousand, three hundred twenty".