213282768 has 20 divisors (see below), whose sum is σ = 550980608. Its totient is φ = 71094240.

The previous prime is 213282761. The next prime is 213282781. The reversal of 213282768 is 867282312.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213282761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221648 + ... + 2221743.

Almost surely, 2^213282768 is an apocalyptic number.

It is an amenable number.

213282768 is an abundant number, since it is smaller than the sum of its proper divisors (337697840).

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

213282768 is a wasteful number, since it uses less digits than its factorization.

213282768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443402 (or 4443396 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 213282768 is about 14604.2037783646. The cubic root of 213282768 is about 597.4734200345.

The spelling of 213282768 in words is "two hundred thirteen million, two hundred eighty-two thousand, seven hundred sixty-eight".