14388442 has 4 divisors (see below), whose sum is σ = 21582666. Its totient is φ = 7194220.

The previous prime is 14388431. The next prime is 14388461. The reversal of 14388442 is 24488341.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 13980121 + 408321 = 3739^2 + 639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14388398 and 14388407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3597109 + ... + 3597112.

Almost surely, 2^14388442 is an apocalyptic number.

14388442 is a deficient number, since it is larger than the sum of its proper divisors (7194224).

14388442 is an equidigital number, since it uses as much as digits as its factorization.

14388442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194223.

The product of its digits is 24576, while the sum is 34.

The square root of 14388442 is about 3793.2099862781. The cubic root of 14388442 is about 243.2229715757. Note that the first 3 decimals are identical.

The spelling of 14388442 in words is "fourteen million, three hundred eighty-eight thousand, four hundred forty-two".