470000217 has 8 divisors (see below), whose sum is σ = 626833696. Its totient is φ = 313250112.

The previous prime is 470000183. The next prime is 470000221. The reversal of 470000217 is 712000074.

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

It is a de Polignac number, because none of the positive numbers 2^k-470000217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 470000193 and 470000202.

It is not an unprimeable number, because it can be changed into a prime (470000257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6223 + ... + 31284.

It is an arithmetic number, because the mean of its divisors is an integer number (78354212).

Almost surely, 2^470000217 is an apocalyptic number.

It is an amenable number.

470000217 is a deficient number, since it is larger than the sum of its proper divisors (156833479).

470000217 is a wasteful number, since it uses less digits than its factorization.

470000217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41687.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 470000217 is about 21679.4883934100. The cubic root of 470000217 is about 777.4981293917.

The spelling of 470000217 in words is "four hundred seventy million, two hundred seventeen", and thus it is an aban number.