213196908 has 12 divisors (see below), whose sum is σ = 497459480. Its totient is φ = 71065632.

The previous prime is 213196877. The next prime is 213196909. The reversal of 213196908 is 809691312.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (213196909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8883193 + ... + 8883216.

Almost surely, 2^213196908 is an apocalyptic number.

It is an amenable number.

213196908 is an abundant number, since it is smaller than the sum of its proper divisors (284262572).

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

213196908 is a wasteful number, since it uses less digits than its factorization.

213196908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17766416 (or 17766414 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 213196908 is about 14601.2639178942. The cubic root of 213196908 is about 597.3932354771.

The spelling of 213196908 in words is "two hundred thirteen million, one hundred ninety-six thousand, nine hundred eight".