4444320 has 96 divisors (see below), whose sum is σ = 14370048. Its totient is φ = 1154048.

The previous prime is 4444291. The next prime is 4444331. The reversal of 4444320 is 234444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22462 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

Almost surely, 2^4444320 is an apocalyptic number.

4444320 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 4444320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7185024).

4444320 is an abundant number, since it is smaller than the sum of its proper divisors (9925728).

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

4444320 is a wasteful number, since it uses less digits than its factorization.

4444320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4444320 is about 2108.1555919808. The cubic root of 4444320 is about 164.4126037424.

Adding to 4444320 its reverse (234444), we get a palindrome (4678764).

The spelling of 4444320 in words is "four million, four hundred forty-four thousand, three hundred twenty".