14193890 has 8 divisors (see below), whose sum is σ = 25549020. Its totient is φ = 5677552.

The previous prime is 14193887. The next prime is 14193911. The reversal of 14193890 is 9839141.

It can be written as a sum of positive squares in 2 ways, for example, as 13920361 + 273529 = 3731^2 + 523^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 14193890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709685 + ... + 709704.

Almost surely, 2^14193890 is an apocalyptic number.

14193890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14193890 is a deficient number, since it is larger than the sum of its proper divisors (11355130).

14193890 is a wasteful number, since it uses less digits than its factorization.

14193890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419396.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 14193890 is about 3767.4779362327. The cubic root of 14193890 is about 242.1217541830.

The spelling of 14193890 in words is "fourteen million, one hundred ninety-three thousand, eight hundred ninety".