13830444 has 36 divisors (see below), whose sum is σ = 35197344. Its totient is φ = 4578912.

The previous prime is 13830437. The next prime is 13830457. The reversal of 13830444 is 44403831.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4429 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (977704).

Almost surely, 2^13830444 is an apocalyptic number.

It is an amenable number.

13830444 is an abundant number, since it is smaller than the sum of its proper divisors (21366900).

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

13830444 is a wasteful number, since it uses less digits than its factorization.

13830444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 13830444 is about 3718.9304914182. The cubic root of 13830444 is about 240.0372858737.

The spelling of 13830444 in words is "thirteen million, eight hundred thirty thousand, four hundred forty-four".