14640401 has 8 divisors (see below), whose sum is σ = 15197184. Its totient is φ = 14088960.

The previous prime is 14640377. The next prime is 14640491. The reversal of 14640401 is 10404641.

14640401 = T₂₈₉ + T₂₉₀ + ... + T₄₈₁.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14640401 - 2⁶ = 14640337 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 (14640491) 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, 4760 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (1899648).

Almost surely, 2^14640401 is an apocalyptic number.

It is an amenable number.

14640401 is a deficient number, since it is larger than the sum of its proper divisors (556783).

14640401 is a wasteful number, since it uses less digits than its factorization.

14640401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14640401 is about 3826.2776950974. The cubic root of 14640401 is about 244.6344736685.

The spelling of 14640401 in words is "fourteen million, six hundred forty thousand, four hundred one".