14016638 has 4 divisors (see below), whose sum is σ = 21024960. Its totient is φ = 7008318.

The previous prime is 14016631. The next prime is 14016659. The reversal of 14016638 is 83661041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83661041 = 2111 ⋅39631.

It is a super-2 number, since 2×14016638² = 392932281646088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14016638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14016631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3504158 + ... + 3504161.

It is an arithmetic number, because the mean of its divisors is an integer number (5256240).

Almost surely, 2^14016638 is an apocalyptic number.

14016638 is a deficient number, since it is larger than the sum of its proper divisors (7008322).

14016638 is an equidigital number, since it uses as much as digits as its factorization.

14016638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008321.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 14016638 is about 3743.8800728656. The cubic root of 14016638 is about 241.1096646846.

Adding to 14016638 its reverse (83661041), we get a palindrome (97677679).

The spelling of 14016638 in words is "fourteen million, sixteen thousand, six hundred thirty-eight".