14643994 has 8 divisors (see below), whose sum is σ = 22476960. Its totient is φ = 7151676.

The previous prime is 14643991. The next prime is 14644013. The reversal of 14643994 is 49934641.

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

It is not an unprimeable number, because it can be changed into a prime (14643991) 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, 85054 + ... + 85225.

It is an arithmetic number, because the mean of its divisors is an integer number (2809620).

Almost surely, 2^14643994 is an apocalyptic number.

14643994 is a deficient number, since it is larger than the sum of its proper divisors (7832966).

14643994 is a wasteful number, since it uses less digits than its factorization.

14643994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170324.

The product of its digits is 93312, while the sum is 40.

The square root of 14643994 is about 3826.7471826605. The cubic root of 14643994 is about 244.6544844995.

The spelling of 14643994 in words is "fourteen million, six hundred forty-three thousand, nine hundred ninety-four".