16444330 has 32 divisors (see below), whose sum is σ = 33975936. Its totient is φ = 5613504.

The previous prime is 16444301. The next prime is 16444339. The reversal of 16444330 is 3344461.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16444295 and 16444304.

It is not an unprimeable number, because it can be changed into a prime (16444339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23952 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (1061748).

Almost surely, 2^16444330 is an apocalyptic number.

16444330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16444330 is an abundant number, since it is smaller than the sum of its proper divisors (17531606).

16444330 is a wasteful number, since it uses less digits than its factorization.

16444330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 16444330 is about 4055.1609092612. The cubic root of 16444330 is about 254.2955309392.

Adding to 16444330 its reverse (3344461), we get a palindrome (19788791).

The spelling of 16444330 in words is "sixteen million, four hundred forty-four thousand, three hundred thirty".