213543936 has 264 divisors, whose sum is σ = 689757120. Its totient is φ = 63307776.

The previous prime is 213543929. The next prime is 213543973. The reversal of 213543936 is 639345312.

It is a happy number.

213543936 is a `hidden beast` number, since 21 + 3 + 543 + 93 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213543936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4543465 + ... + 4543511.

Almost surely, 2^213543936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213543936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344878560).

213543936 is an abundant number, since it is smaller than the sum of its proper divisors (476213184).

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

213543936 is a wasteful number, since it uses less digits than its factorization.

213543936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 98 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 213543936 is about 14613.1425778304. The cubic root of 213543936 is about 597.7171923302.

The spelling of 213543936 in words is "two hundred thirteen million, five hundred forty-three thousand, nine hundred thirty-six".