214106403 has 8 divisors (see below), whose sum is σ = 326257408. Its totient is φ = 122346504.

The previous prime is 214106377. The next prime is 214106407. The reversal of 214106403 is 304601412.

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

It is not a de Polignac number, because 214106403 - 2⁸ = 214106147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10195543 = 214106403 / (2 + 1 + 4 + 1 + 0 + 6 + 4 + 0 + 3).

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 214106403.

It is not an unprimeable number, because it can be changed into a prime (214106407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5097751 + ... + 5097792.

It is an arithmetic number, because the mean of its divisors is an integer number (40782176).

Almost surely, 2^214106403 is an apocalyptic number.

214106403 is a deficient number, since it is larger than the sum of its proper divisors (112151005).

214106403 is a wasteful number, since it uses less digits than its factorization.

214106403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195553.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 214106403 is about 14632.3751660487. The cubic root of 214106403 is about 598.2415207304.

Adding to 214106403 its reverse (304601412), we get a palindrome (518707815).

The spelling of 214106403 in words is "two hundred fourteen million, one hundred six thousand, four hundred three".