213716688 has 20 divisors (see below), whose sum is σ = 552101568. Its totient is φ = 71238880.

The previous prime is 213716683. The next prime is 213716753. The reversal of 213716688 is 886617312.

213716688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213716683) 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, 2226168 + ... + 2226263.

Almost surely, 2^213716688 is an apocalyptic number.

It is an amenable number.

213716688 is an abundant number, since it is smaller than the sum of its proper divisors (338384880).

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

213716688 is a wasteful number, since it uses less digits than its factorization.

213716688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452442 (or 4452436 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 213716688 is about 14619.0522264612. The cubic root of 213716688 is about 597.8783285828.

The spelling of 213716688 in words is "two hundred thirteen million, seven hundred sixteen thousand, six hundred eighty-eight".