4402320 has 160 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 1007616.

The previous prime is 4402291. The next prime is 4402327. The reversal of 4402320 is 232044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4402320.

It is not an unprimeable number, because it can be changed into a prime (4402327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52999 + ... + 53081.

Almost surely, 2^4402320 is an apocalyptic number.

4402320 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 4402320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7874496).

4402320 is an abundant number, since it is smaller than the sum of its proper divisors (11346672).

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

4402320 is a wasteful number, since it uses less digits than its factorization.

4402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4402320 is about 2098.1706317647. The cubic root of 4402320 is about 163.8930494438.

Adding to 4402320 its reverse (232044), we get a palindrome (4634364).

The spelling of 4402320 in words is "four million, four hundred two thousand, three hundred twenty".