211449132 has 18 divisors (see below), whose sum is σ = 534496508. Its totient is φ = 70483032.

The previous prime is 211449113. The next prime is 211449169. The reversal of 211449132 is 231944112.

It is a happy number.

211449132 is a `hidden beast` number, since 211 + 449 + 1 + 3 + 2 = 666.

211449132 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211449096 and 211449105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2936758 + ... + 2936829.

Almost surely, 2^211449132 is an apocalyptic number.

It is an amenable number.

211449132 is an abundant number, since it is smaller than the sum of its proper divisors (323047376).

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

211449132 is a wasteful number, since it uses less digits than its factorization.

211449132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873597 (or 5873592 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 211449132 is about 14541.2905892153. The cubic root of 211449132 is about 595.7562889585.

It can be divided in two parts, 21144 and 9132, that added together give a square (30276 = 174²).

The spelling of 211449132 in words is "two hundred eleven million, four hundred forty-nine thousand, one hundred thirty-two".