471890617 has 8 divisors (see below), whose sum is σ = 515067840. Its totient is φ = 428759760.

The previous prime is 471890579. The next prime is 471890647. The reversal of 471890617 is 716098174.

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

It is not a de Polignac number, because 471890617 - 2¹¹ = 471888569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471890647) 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, 11748 + ... + 32890.

It is an arithmetic number, because the mean of its divisors is an integer number (64383480).

Almost surely, 2^471890617 is an apocalyptic number.

It is an amenable number.

471890617 is a deficient number, since it is larger than the sum of its proper divisors (43177223).

471890617 is a wasteful number, since it uses less digits than its factorization.

471890617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 471890617 is about 21723.0434562011. The cubic root of 471890617 is about 778.5391333829.

The spelling of 471890617 in words is "four hundred seventy-one million, eight hundred ninety thousand, six hundred seventeen".