213308 has 6 divisors (see below), whose sum is σ = 373296. Its totient is φ = 106652.

The previous prime is 213307. The next prime is 213319. The reversal of 213308 is 803312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26660 + ... + 26667.

It is an arithmetic number, because the mean of its divisors is an integer number (62216).

2²¹³³⁰⁸ is an apocalyptic number.

It is an amenable number.

213308 is a deficient number, since it is larger than the sum of its proper divisors (159988).

213308 is a wasteful number, since it uses less digits than its factorization.

213308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53331 (or 53329 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213308 is about 461.8527903997. The cubic root of 213308 is about 59.7496980080.

The spelling of 213308 in words is "two hundred thirteen thousand, three hundred eight".