211394414 has 32 divisors (see below), whose sum is σ = 399278592. Its totient is φ = 81540000.

The previous prime is 211394389. The next prime is 211394423. The reversal of 211394414 is 414493112.

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 15 ways as a sum of consecutive naturals, for example, 8759 + ... + 22349.

It is an arithmetic number, because the mean of its divisors is an integer number (12477456).

Almost surely, 2^211394414 is an apocalyptic number.

211394414 is a deficient number, since it is larger than the sum of its proper divisors (187884178).

211394414 is a wasteful number, since it uses less digits than its factorization.

211394414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712.

The product of its digits is 3456, while the sum is 29.

The square root of 211394414 is about 14539.4089976175. The cubic root of 211394414 is about 595.7048953450.

The spelling of 211394414 in words is "two hundred eleven million, three hundred ninety-four thousand, four hundred fourteen".