211004426 has 8 divisors (see below), whose sum is σ = 320320224. Its totient is φ = 104231020.

The previous prime is 211004419. The next prime is 211004447. The reversal of 211004426 is 624400112.

211004426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 211004398 and 211004407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635390 + ... + 635721.

It is an arithmetic number, because the mean of its divisors is an integer number (40040028).

Almost surely, 2^211004426 is an apocalyptic number.

211004426 is a deficient number, since it is larger than the sum of its proper divisors (109315798).

211004426 is a wasteful number, since it uses less digits than its factorization.

211004426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271196.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 211004426 is about 14525.9913947379. The cubic root of 211004426 is about 595.3383439216.

Adding to 211004426 its reverse (624400112), we get a palindrome (835404538).

The spelling of 211004426 in words is "two hundred eleven million, four thousand, four hundred twenty-six".