211989076 has 12 divisors (see below), whose sum is σ = 399517972. Its totient is φ = 97841088.

The previous prime is 211989059. The next prime is 211989079. The reversal of 211989076 is 670989112.

211989076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9610000 + 202379076 = 3100^2 + 14226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211989079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038305 + ... + 2038408.

Almost surely, 2^211989076 is an apocalyptic number.

211989076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

211989076 is a deficient number, since it is larger than the sum of its proper divisors (187528896).

211989076 is a wasteful number, since it uses less digits than its factorization.

211989076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076730 (or 4076728 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 211989076 is about 14559.8446420283. The cubic root of 211989076 is about 596.2629539500.

The spelling of 211989076 in words is "two hundred eleven million, nine hundred eighty-nine thousand, seventy-six".