14728538 has 8 divisors (see below), whose sum is σ = 24101280. Its totient is φ = 6694780.

The previous prime is 14728537. The next prime is 14728559. The reversal of 14728538 is 83582741.

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

It is a super-3 number, since 3×14728538³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (14728537) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 334718 + ... + 334761.

It is an arithmetic number, because the mean of its divisors is an integer number (3012660).

Almost surely, 2^14728538 is an apocalyptic number.

14728538 is a deficient number, since it is larger than the sum of its proper divisors (9372742).

14728538 is a wasteful number, since it uses less digits than its factorization.

14728538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669492.

The product of its digits is 53760, while the sum is 38.

The square root of 14728538 is about 3837.7777423921. Note that the first 4 decimals coincide. The cubic root of 14728538 is about 245.1244016293.

The spelling of 14728538 in words is "fourteen million, seven hundred twenty-eight thousand, five hundred thirty-eight".