213338430 has 24 divisors (see below), whose sum is σ = 554680152. Its totient is φ = 56890224.

The previous prime is 213338407. The next prime is 213338431. The reversal of 213338430 is 34833312.

It is a junction number, because it is equal to n+sod(n) for n = 213338394 and 213338403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213338431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185124 + ... + 1185303.

It is an arithmetic number, because the mean of its divisors is an integer number (23111673).

Almost surely, 2^213338430 is an apocalyptic number.

213338430 is an abundant number, since it is smaller than the sum of its proper divisors (341341722).

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

213338430 is a wasteful number, since it uses less digits than its factorization.

213338430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370440 (or 2370437 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 213338430 is about 14606.1093382187. The cubic root of 213338430 is about 597.5253912169.

The spelling of 213338430 in words is "two hundred thirteen million, three hundred thirty-eight thousand, four hundred thirty".