211740364 has 12 divisors (see below), whose sum is σ = 404231688. Its totient is φ = 96245600.

The previous prime is 211740349. The next prime is 211740383. The reversal of 211740364 is 463047112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406097 + ... + 2406184.

It is an arithmetic number, because the mean of its divisors is an integer number (33685974).

Almost surely, 2^211740364 is an apocalyptic number.

It is an amenable number.

211740364 is a deficient number, since it is larger than the sum of its proper divisors (192491324).

211740364 is a wasteful number, since it uses less digits than its factorization.

211740364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812296 (or 4812294 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 211740364 is about 14551.3011102100. The cubic root of 211740364 is about 596.0296781162.

Adding to 211740364 its reverse (463047112), we get a palindrome (674787476).

The spelling of 211740364 in words is "two hundred eleven million, seven hundred forty thousand, three hundred sixty-four".