14291638 has 4 divisors (see below), whose sum is σ = 21437460. Its totient is φ = 7145818.

The previous prime is 14291621. The next prime is 14291639. The reversal of 14291638 is 83619241.

14291638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14291639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572908 + ... + 3572911.

It is an arithmetic number, because the mean of its divisors is an integer number (5359365).

Almost surely, 2^14291638 is an apocalyptic number.

14291638 is a deficient number, since it is larger than the sum of its proper divisors (7145822).

14291638 is an equidigital number, since it uses as much as digits as its factorization.

14291638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145821.

The product of its digits is 10368, while the sum is 34.

The square root of 14291638 is about 3780.4282826156. The cubic root of 14291638 is about 242.6762837666.

The spelling of 14291638 in words is "fourteen million, two hundred ninety-one thousand, six hundred thirty-eight".