213782334 has 8 divisors (see below), whose sum is σ = 427564680. Its totient is φ = 71260776.

The previous prime is 213782321. The next prime is 213782351. The reversal of 213782334 is 433287312.

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

213782334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213782295 and 213782304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17815189 + ... + 17815200.

It is an arithmetic number, because the mean of its divisors is an integer number (53445585).

Almost surely, 2^213782334 is an apocalyptic number.

213782334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213782334 is a wasteful number, since it uses less digits than its factorization.

213782334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35630394.

The product of its digits is 24192, while the sum is 33.

The square root of 213782334 is about 14621.2972748659. The cubic root of 213782334 is about 597.9395378146.

The spelling of 213782334 in words is "two hundred thirteen million, seven hundred eighty-two thousand, three hundred thirty-four".