14389809 has 16 divisors (see below), whose sum is σ = 21982080. Its totient is φ = 8202240.

The previous prime is 14389807. The next prime is 14389841. The reversal of 14389809 is 90898341.

14389809 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14389809 - 2¹ = 14389807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14389807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12927 + ... + 13995.

It is an arithmetic number, because the mean of its divisors is an integer number (1373880).

Almost surely, 2^14389809 is an apocalyptic number.

It is an amenable number.

14389809 is a deficient number, since it is larger than the sum of its proper divisors (7592271).

14389809 is a wasteful number, since it uses less digits than its factorization.

14389809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 14389809 is about 3793.3901723920. The cubic root of 14389809 is about 243.2306739448.

The spelling of 14389809 in words is "fourteen million, three hundred eighty-nine thousand, eight hundred nine".