471807986 has 16 divisors (see below), whose sum is σ = 764127000. Its totient is φ = 217193088.

The previous prime is 471807983. The next prime is 471808031. The reversal of 471807986 is 689708174.

It can be written as a sum of positive squares in 4 ways, for example, as 296907361 + 174900625 = 17231^2 + 13225^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (471807983) 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, 13211 + ... + 33438.

Almost surely, 2^471807986 is an apocalyptic number.

471807986 is a deficient number, since it is larger than the sum of its proper divisors (292319014).

471807986 is a wasteful number, since it uses less digits than its factorization.

471807986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47053.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 471807986 is about 21721.1414525112. The cubic root of 471807986 is about 778.4936883722.

The spelling of 471807986 in words is "four hundred seventy-one million, eight hundred seven thousand, nine hundred eighty-six".