14928889 has 4 divisors (see below), whose sum is σ = 15714640. Its totient is φ = 14143140.

The previous prime is 14928847. The next prime is 14928913. The reversal of 14928889 is 98882941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14928889 - 2⁷ = 14928761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14923889) 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, 392847 + ... + 392884.

It is an arithmetic number, because the mean of its divisors is an integer number (3928660).

Almost surely, 2^14928889 is an apocalyptic number.

14928889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14928889 is a deficient number, since it is larger than the sum of its proper divisors (785751).

14928889 is an equidigital number, since it uses as much as digits as its factorization.

14928889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785750.

The product of its digits is 331776, while the sum is 49.

The square root of 14928889 is about 3863.7920492697. The cubic root of 14928889 is about 246.2308681573.

The spelling of 14928889 in words is "fourteen million, nine hundred twenty-eight thousand, eight hundred eighty-nine".