211481084 has 12 divisors (see below), whose sum is σ = 370213704. Its totient is φ = 105705744.

The previous prime is 211481051. The next prime is 211481093. The reversal of 211481084 is 480184112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8954 + ... + 22430.

It is an arithmetic number, because the mean of its divisors is an integer number (30851142).

Almost surely, 2^211481084 is an apocalyptic number.

It is an amenable number.

211481084 is a deficient number, since it is larger than the sum of its proper divisors (158732620).

211481084 is a wasteful number, since it uses less digits than its factorization.

211481084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17404 (or 17402 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 211481084 is about 14542.3892122306. The cubic root of 211481084 is about 595.7862956179.

The spelling of 211481084 in words is "two hundred eleven million, four hundred eighty-one thousand, eighty-four".