213283838 has 8 divisors (see below), whose sum is σ = 326732832. Its totient is φ = 104372896.

The previous prime is 213283831. The next prime is 213283859. The reversal of 213283838 is 838382312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213283831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134395 + ... + 1134582.

It is an arithmetic number, because the mean of its divisors is an integer number (40841604).

Almost surely, 2^213283838 is an apocalyptic number.

213283838 is a deficient number, since it is larger than the sum of its proper divisors (113448994).

213283838 is a wasteful number, since it uses less digits than its factorization.

213283838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269026.

The product of its digits is 55296, while the sum is 38.

The square root of 213283838 is about 14604.2404116065. The cubic root of 213283838 is about 597.4744191706.

The spelling of 213283838 in words is "two hundred thirteen million, two hundred eighty-three thousand, eight hundred thirty-eight".