213204908 has 24 divisors (see below), whose sum is σ = 426720000. Its totient is φ = 91307088.

The previous prime is 213204907. The next prime is 213204911. The reversal of 213204908 is 809402312.

It is not an unprimeable number, because it can be changed into a prime (213204907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69593 + ... + 72591.

It is an arithmetic number, because the mean of its divisors is an integer number (17780000).

Almost surely, 2^213204908 is an apocalyptic number.

213204908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

213204908 is an abundant number, since it is smaller than the sum of its proper divisors (213515092).

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

213204908 is a wasteful number, since it uses less digits than its factorization.

213204908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549 (or 5547 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 213204908 is about 14601.5378642114. The cubic root of 213204908 is about 597.4007075775.

The spelling of 213204908 in words is "two hundred thirteen million, two hundred four thousand, nine hundred eight".