14440638 has 8 divisors (see below), whose sum is σ = 28881288. Its totient is φ = 4813544.

The previous prime is 14440631. The next prime is 14440639. The reversal of 14440638 is 83604441.

It is a sphenic number, since it is the product of 3 distinct primes.

14440638 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203381 + ... + 1203392.

It is an arithmetic number, because the mean of its divisors is an integer number (3610161).

Almost surely, 2^14440638 is an apocalyptic number.

14440638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14440638 is a wasteful number, since it uses less digits than its factorization.

14440638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406778.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 14440638 is about 3800.0839464412. The cubic root of 14440638 is about 243.5167246178.

The spelling of 14440638 in words is "fourteen million, four hundred forty thousand, six hundred thirty-eight".