213173382 has 32 divisors (see below), whose sum is σ = 437633280. Its totient is φ = 69201440.

The previous prime is 213173357. The next prime is 213173459. The reversal of 213173382 is 283371312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32344 + ... + 38372.

It is an arithmetic number, because the mean of its divisors is an integer number (13676040).

Almost surely, 2^213173382 is an apocalyptic number.

213173382 is an abundant number, since it is smaller than the sum of its proper divisors (224459898).

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

213173382 is a wasteful number, since it uses less digits than its factorization.

213173382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188.

The product of its digits is 6048, while the sum is 30.

The square root of 213173382 is about 14600.4582804787. The cubic root of 213173382 is about 597.3712608147.

The spelling of 213173382 in words is "two hundred thirteen million, one hundred seventy-three thousand, three hundred eighty-two".