214101993 has 8 divisors (see below), whose sum is σ = 326250688. Its totient is φ = 122343984.

The previous prime is 214101941. The next prime is 214102001. The reversal of 214101993 is 399101412.

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

It is not a de Polignac number, because 214101993 - 2¹⁰ = 214100969 is a prime.

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 214101993.

It is not an unprimeable number, because it can be changed into a prime (214100993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5097646 + ... + 5097687.

It is an arithmetic number, because the mean of its divisors is an integer number (40781336).

Almost surely, 2^214101993 is an apocalyptic number.

It is an amenable number.

214101993 is a deficient number, since it is larger than the sum of its proper divisors (112148695).

214101993 is a wasteful number, since it uses less digits than its factorization.

214101993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195343.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 214101993 is about 14632.2244720343. The cubic root of 214101993 is about 598.2374133284.

It can be divided in two parts, 21 and 4101993, that added together give a palindrome (4102014).

The spelling of 214101993 in words is "two hundred fourteen million, one hundred one thousand, nine hundred ninety-three".