213676456 has 24 divisors (see below), whose sum is σ = 466055370. Its totient is φ = 91575456.

The previous prime is 213676453. The next prime is 213676471. The reversal of 213676456 is 654676312.

213676456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 208340356 + 5336100 = 14434^2 + 2310^2 .

It is not an unprimeable number, because it can be changed into a prime (213676453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272155 + ... + 272938.

Almost surely, 2^213676456 is an apocalyptic number.

It is an amenable number.

213676456 is an abundant number, since it is smaller than the sum of its proper divisors (252378914).

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

213676456 is a wasteful number, since it uses less digits than its factorization.

213676456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545113 (or 545102 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 213676456 is about 14617.6761491011. The cubic root of 213676456 is about 597.8408095185.

The spelling of 213676456 in words is "two hundred thirteen million, six hundred seventy-six thousand, four hundred fifty-six".