14390643 has 8 divisors (see below), whose sum is σ = 19205056. Its totient is φ = 9585000.

The previous prime is 14390639. The next prime is 14390647. The reversal of 14390643 is 34609341.

It is an interprime number because it is at equal distance from previous prime (14390639) and next prime (14390647).

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

It is not a de Polignac number, because 14390643 - 2² = 14390639 is a prime.

It is the 3794-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14390643.

It is not an unprimeable number, because it can be changed into a prime (14390647) by changing a digit.

It is a nontrivial repunit in base 3793.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (2400632).

Almost surely, 2^14390643 is an apocalyptic number.

14390643 is a deficient number, since it is larger than the sum of its proper divisors (4814413).

14390643 is a wasteful number, since it uses less digits than its factorization.

14390643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 14390643 is about 3793.5000988533. The cubic root of 14390643 is about 243.2353728828.

Adding to 14390643 its reverse (34609341), we get a palindrome (48999984).

The spelling of 14390643 in words is "fourteen million, three hundred ninety thousand, six hundred forty-three".