213813936 has 60 divisors (see below), whose sum is σ = 683868432. Its totient is φ = 61089408.

The previous prime is 213813923. The next prime is 213813937. The reversal of 213813936 is 639318312.

213813936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 213813936.

It is not an unprimeable number, because it can be changed into a prime (213813937) 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, 105051 + ... + 107066.

Almost surely, 2^213813936 is an apocalyptic number.

It is an amenable number.

213813936 is an abundant number, since it is smaller than the sum of its proper divisors (470054496).

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

213813936 is a wasteful number, since it uses less digits than its factorization.

213813936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212138 (or 212129 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 213813936 is about 14622.3779187928. The cubic root of 213813936 is about 597.9689994854.

The spelling of 213813936 in words is "two hundred thirteen million, eight hundred thirteen thousand, nine hundred thirty-six".