213199830 has 64 divisors (see below), whose sum is σ = 570585600. Its totient is φ = 56648160.

The previous prime is 213199823. The next prime is 213199841. The reversal of 213199830 is 38991312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82701 + ... + 85239.

It is an arithmetic number, because the mean of its divisors is an integer number (8915400).

Almost surely, 2^213199830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213199830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285292800).

213199830 is an abundant number, since it is smaller than the sum of its proper divisors (357385770).

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

213199830 is a wasteful number, since it uses less digits than its factorization.

213199830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 213199830 is about 14601.3639773824. The cubic root of 213199830 is about 597.3959646834.

The spelling of 213199830 in words is "two hundred thirteen million, one hundred ninety-nine thousand, eight hundred thirty".