14390506 has 8 divisors (see below), whose sum is σ = 23246244. Its totient is φ = 6641760.

The previous prime is 14390501. The next prime is 14390527. The reversal of 14390506 is 60509341.

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 3441025 = 3309^2 + 1855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (14390501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276715 + ... + 276766.

Almost surely, 2^14390506 is an apocalyptic number.

14390506 is a deficient number, since it is larger than the sum of its proper divisors (8855738).

14390506 is a wasteful number, since it uses less digits than its factorization.

14390506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553496.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 14390506 is about 3793.4820416077. The cubic root of 14390506 is about 243.2346010074.

Adding to 14390506 its reverse (60509341), we get a palindrome (74899847).

It can be divided in two parts, 1439050 and 6, that added together give a triangular number (1439056 = T₁₆₉₆).

The spelling of 14390506 in words is "fourteen million, three hundred ninety thousand, five hundred six".