14390438 has 16 divisors (see below), whose sum is σ = 22448880. Its totient is φ = 6910176.

The previous prime is 14390407. The next prime is 14390443. The reversal of 14390438 is 83409341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12620 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (1403055).

Almost surely, 2^14390438 is an apocalyptic number.

14390438 is a deficient number, since it is larger than the sum of its proper divisors (8058442).

14390438 is a wasteful number, since it uses less digits than its factorization.

14390438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 14390438 is about 3793.4730788553. The cubic root of 14390438 is about 243.2342178849.

Adding to 14390438 its reverse (83409341), we get a palindrome (97799779).

The spelling of 14390438 in words is "fourteen million, three hundred ninety thousand, four hundred thirty-eight".