211968350 has 24 divisors (see below), whose sum is σ = 430104168. Its totient is φ = 77079200.

The previous prime is 211968347. The next prime is 211968353. The reversal of 211968350 is 53869112.

It is an interprime number because it is at equal distance from previous prime (211968347) and next prime (211968353).

It is a self number, because there is not a number n which added to its sum of digits gives 211968350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211968353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192149 + ... + 193248.

It is an arithmetic number, because the mean of its divisors is an integer number (17921007).

Almost surely, 2^211968350 is an apocalyptic number.

211968350 is an abundant number, since it is smaller than the sum of its proper divisors (218135818).

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

211968350 is a wasteful number, since it uses less digits than its factorization.

211968350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385420 (or 385415 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 211968350 is about 14559.1328725306. The cubic root of 211968350 is about 596.2435212683.

The spelling of 211968350 in words is "two hundred eleven million, nine hundred sixty-eight thousand, three hundred fifty".