211970472 has 48 divisors (see below), whose sum is σ = 616448160. Its totient is φ = 60562656.

The previous prime is 211970459. The next prime is 211970489. The reversal of 211970472 is 274079112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88948 + ... + 91299.

It is an arithmetic number, because the mean of its divisors is an integer number (12842670).

Almost surely, 2^211970472 is an apocalyptic number.

It is an amenable number.

211970472 is an abundant number, since it is smaller than the sum of its proper divisors (404477688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211970472 is a wasteful number, since it uses less digits than its factorization.

211970472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180270 (or 180259 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 211970472 is about 14559.2057475674. The cubic root of 211970472 is about 596.2455109121.

The spelling of 211970472 in words is "two hundred eleven million, nine hundred seventy thousand, four hundred seventy-two".