213195216 has 40 divisors (see below), whose sum is σ = 593121760. Its totient is φ = 65598336.

The previous prime is 213195209. The next prime is 213195217. The reversal of 213195216 is 612591312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213195217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170206 + ... + 171453.

It is an arithmetic number, because the mean of its divisors is an integer number (14828044).

Almost surely, 2^213195216 is an apocalyptic number.

213195216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

213195216 is an abundant number, since it is smaller than the sum of its proper divisors (379926544).

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

213195216 is a wasteful number, since it uses less digits than its factorization.

213195216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341683 (or 341677 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 213195216 is about 14601.2059775897. The cubic root of 213195216 is about 597.3916551039.

The spelling of 213195216 in words is "two hundred thirteen million, one hundred ninety-five thousand, two hundred sixteen".