14440991 has 8 divisors (see below), whose sum is σ = 14872704. Its totient is φ = 14013720.

The previous prime is 14440981. The next prime is 14440997. The reversal of 14440991 is 19904441.

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 14440991 - 2¹⁰ = 14439967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14440997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6176 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (1859088).

Almost surely, 2^14440991 is an apocalyptic number.

14440991 is a deficient number, since it is larger than the sum of its proper divisors (431713).

14440991 is a wasteful number, since it uses less digits than its factorization.

14440991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 14440991 is about 3800.1303924997. The cubic root of 14440991 is about 243.5187088493.

The spelling of 14440991 in words is "fourteen million, four hundred forty thousand, nine hundred ninety-one".