14928391 has 8 divisors (see below), whose sum is σ = 15461504. Its totient is φ = 14398560.

The previous prime is 14928379. The next prime is 14928401. The reversal of 14928391 is 19382941.

14928391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14928391 - 2⁹ = 14927879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14928391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14928341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11701 + ... + 12913.

It is an arithmetic number, because the mean of its divisors is an integer number (1932688).

Almost surely, 2^14928391 is an apocalyptic number.

14928391 is a deficient number, since it is larger than the sum of its proper divisors (533113).

14928391 is a wasteful number, since it uses less digits than its factorization.

14928391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its digits is 15552, while the sum is 37.

The square root of 14928391 is about 3863.7276042703. The cubic root of 14928391 is about 246.2281301921.

The spelling of 14928391 in words is "fourteen million, nine hundred twenty-eight thousand, three hundred ninety-one".