211980614 has 8 divisors (see below), whose sum is σ = 318106920. Its totient is φ = 105944976.

The previous prime is 211980607. The next prime is 211980617. The reversal of 211980614 is 416089112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211980617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16484 + ... + 26375.

It is an arithmetic number, because the mean of its divisors is an integer number (39763365).

Almost surely, 2^211980614 is an apocalyptic number.

211980614 is a deficient number, since it is larger than the sum of its proper divisors (106126306).

211980614 is a wasteful number, since it uses less digits than its factorization.

211980614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45334.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 211980614 is about 14559.5540453683. The cubic root of 211980614 is about 596.2550201383.

The spelling of 211980614 in words is "two hundred eleven million, nine hundred eighty thousand, six hundred fourteen".