211039474 has 8 divisors (see below), whose sum is σ = 316682460. Its totient is φ = 105478656.

The previous prime is 211039471. The next prime is 211039531. The reversal of 211039474 is 474930112.

It can be written as a sum of positive squares in 2 ways, for example, as 198387225 + 12652249 = 14085^2 + 3557^2 .

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

It is not an unprimeable number, because it can be changed into a prime (211039471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13659 + ... + 24670.

Almost surely, 2^211039474 is an apocalyptic number.

211039474 is a deficient number, since it is larger than the sum of its proper divisors (105642986).

211039474 is a wasteful number, since it uses less digits than its factorization.

211039474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41084.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 211039474 is about 14527.1977339059. The cubic root of 211039474 is about 595.3713041514.

Adding to 211039474 its reverse (474930112), we get a palindrome (685969586).

The spelling of 211039474 in words is "two hundred eleven million, thirty-nine thousand, four hundred seventy-four".