217043468 has 12 divisors (see below), whose sum is σ = 380265312. Its totient is φ = 108396240.

The previous prime is 217043459. The next prime is 217043501. The reversal of 217043468 is 864340712.

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, 27428 + ... + 34443.

It is an arithmetic number, because the mean of its divisors is an integer number (31688776).

Almost surely, 2^217043468 is an apocalyptic number.

It is an amenable number.

217043468 is a deficient number, since it is larger than the sum of its proper divisors (163221844).

217043468 is a wasteful number, since it uses less digits than its factorization.

217043468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62752 (or 62750 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 217043468 is about 14732.3951888347. The cubic root of 217043468 is about 600.9646224156.

The spelling of 217043468 in words is "two hundred seventeen million, forty-three thousand, four hundred sixty-eight".