14001609 has 8 divisors (see below), whose sum is σ = 18803680. Its totient is φ = 9266976.

The previous prime is 14001607. The next prime is 14001643. The reversal of 14001609 is 90610041.

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

It is not a de Polignac number, because 14001609 - 2¹ = 14001607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14001601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16372 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (2350460).

Almost surely, 2^14001609 is an apocalyptic number.

It is an amenable number.

14001609 is a deficient number, since it is larger than the sum of its proper divisors (4802071).

14001609 is a wasteful number, since it uses less digits than its factorization.

14001609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33719.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 14001609 is about 3741.8723922657. The cubic root of 14001609 is about 241.0234592041.

The spelling of 14001609 in words is "fourteen million, one thousand, six hundred nine".