213670912 has 88 divisors (see below), whose sum is σ = 525931616. Its totient is φ = 84492288.

The previous prime is 213670901. The next prime is 213670937. The reversal of 213670912 is 219076312.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 92038 + ... + 94330.

Almost surely, 2^213670912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213670912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262965808).

213670912 is an abundant number, since it is smaller than the sum of its proper divisors (312260704).

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

213670912 is a wasteful number, since it uses less digits than its factorization.

213670912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 213670912 is about 14617.4865144456. The cubic root of 213670912 is about 597.8356389939.

The spelling of 213670912 in words is "two hundred thirteen million, six hundred seventy thousand, nine hundred twelve".