213387336 has 48 divisors (see below), whose sum is σ = 597858300. Its totient is φ = 68675712.

The previous prime is 213387331. The next prime is 213387337. The reversal of 213387336 is 633783312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 207187236 + 6200100 = 14394^2 + 2490^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 213387336.

It is not an unprimeable number, because it can be changed into a prime (213387331) 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, 49011 + ... + 53186.

Almost surely, 2^213387336 is an apocalyptic number.

It is an amenable number.

213387336 is an abundant number, since it is smaller than the sum of its proper divisors (384470964).

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

213387336 is a wasteful number, since it uses less digits than its factorization.

213387336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102238 (or 102231 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 213387336 is about 14607.7834047469. The cubic root of 213387336 is about 597.5710469137.

The spelling of 213387336 in words is "two hundred thirteen million, three hundred eighty-seven thousand, three hundred thirty-six".