212782934 has 16 divisors (see below), whose sum is σ = 392830368. Its totient is φ = 84177792.

The previous prime is 212782909. The next prime is 212782943. The reversal of 212782934 is 439287212.

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 7 ways as a sum of consecutive naturals, for example, 584387 + ... + 584750.

It is an arithmetic number, because the mean of its divisors is an integer number (24551898).

Almost surely, 2^212782934 is an apocalyptic number.

212782934 is a deficient number, since it is larger than the sum of its proper divisors (180047434).

212782934 is a wasteful number, since it uses less digits than its factorization.

212782934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169159.

The product of its digits is 48384, while the sum is 38.

The square root of 212782934 is about 14587.0810651069. The cubic root of 212782934 is about 597.0063231927.

The spelling of 212782934 in words is "two hundred twelve million, seven hundred eighty-two thousand, nine hundred thirty-four".