14648909 has 4 divisors (see below), whose sum is σ = 15980640. Its totient is φ = 13317180.

The previous prime is 14648899. The next prime is 14648923. The reversal of 14648909 is 90984641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90984641 = 11 ⋅8271331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14648909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14648989) 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, 665849 + ... + 665870.

It is an arithmetic number, because the mean of its divisors is an integer number (3995160).

Almost surely, 2^14648909 is an apocalyptic number.

It is an amenable number.

14648909 is a deficient number, since it is larger than the sum of its proper divisors (1331731).

14648909 is a wasteful number, since it uses less digits than its factorization.

14648909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331730.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 14648909 is about 3827.3893191051. The cubic root of 14648909 is about 244.6818527681.

The spelling of 14648909 in words is "fourteen million, six hundred forty-eight thousand, nine hundred nine".