14782889 has 4 divisors (see below), whose sum is σ = 16126800. Its totient is φ = 13438980.

The previous prime is 14782883. The next prime is 14782891. The reversal of 14782889 is 98828741.

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 a de Polignac number, because none of the positive numbers 2^k-14782889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14782883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671939 + ... + 671960.

It is an arithmetic number, because the mean of its divisors is an integer number (4031700).

Almost surely, 2^14782889 is an apocalyptic number.

It is an amenable number.

14782889 is a deficient number, since it is larger than the sum of its proper divisors (1343911).

14782889 is a wasteful number, since it uses less digits than its factorization.

14782889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343910.

The product of its digits is 258048, while the sum is 47.

The square root of 14782889 is about 3844.8522728448. The cubic root of 14782889 is about 245.4255494658.

The spelling of 14782889 in words is "fourteen million, seven hundred eighty-two thousand, eight hundred eighty-nine".