14021438 has 4 divisors (see below), whose sum is σ = 21032160. Its totient is φ = 7010718.

The previous prime is 14021437. The next prime is 14021453. The reversal of 14021438 is 83412041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83412041 = 31 ⋅2690711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3505358 + ... + 3505361.

It is an arithmetic number, because the mean of its divisors is an integer number (5258040).

Almost surely, 2^14021438 is an apocalyptic number.

14021438 is a deficient number, since it is larger than the sum of its proper divisors (7010722).

14021438 is an equidigital number, since it uses as much as digits as its factorization.

14021438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010721.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 14021438 is about 3744.5210641683. The cubic root of 14021438 is about 241.1371842250.

Adding to 14021438 its reverse (83412041), we get a palindrome (97433479).

The spelling of 14021438 in words is "fourteen million, twenty-one thousand, four hundred thirty-eight".