14663998 has 4 divisors (see below), whose sum is σ = 21996000. Its totient is φ = 7331998.

The previous prime is 14663993. The next prime is 14664011. The reversal of 14663998 is 89936641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89936641 = 373 ⋅241117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14663993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3665998 + ... + 3666001.

It is an arithmetic number, because the mean of its divisors is an integer number (5499000).

Almost surely, 2^14663998 is an apocalyptic number.

14663998 is a deficient number, since it is larger than the sum of its proper divisors (7332002).

14663998 is an equidigital number, since it uses as much as digits as its factorization.

14663998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332001.

The product of its digits is 279936, while the sum is 46.

The square root of 14663998 is about 3829.3599987465. The cubic root of 14663998 is about 244.7658348485.

The spelling of 14663998 in words is "fourteen million, six hundred sixty-three thousand, nine hundred ninety-eight".