14401644 has 24 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 4785744.

The previous prime is 14401643. The next prime is 14401679. The reversal of 14401644 is 44610441.

14401644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (14401643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^14401644 is an apocalyptic number.

It is an amenable number.

14401644 is an abundant number, since it is smaller than the sum of its proper divisors (19305876).

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

14401644 is a wasteful number, since it uses less digits than its factorization.

14401644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 14401644 is about 3794.9498020395. The cubic root of 14401644 is about 243.2973379337.

The spelling of 14401644 in words is "fourteen million, four hundred one thousand, six hundred forty-four".