217271348 has 12 divisors (see below), whose sum is σ = 434542752. Its totient is φ = 93116280.

The previous prime is 217271297. The next prime is 217271359. The reversal of 217271348 is 843172712.

217271348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

217271348 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3879818 + ... + 3879873.

It is an arithmetic number, because the mean of its divisors is an integer number (36211896).

Almost surely, 2^217271348 is an apocalyptic number.

217271348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

217271348 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.

217271348 is a wasteful number, since it uses less digits than its factorization.

217271348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759702 (or 7759700 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 217271348 is about 14740.1271364938. The cubic root of 217271348 is about 601.1748720320.

The spelling of 217271348 in words is "two hundred seventeen million, two hundred seventy-one thousand, three hundred forty-eight".