471939786 has 12 divisors (see below), whose sum is σ = 1022536242. Its totient is φ = 157313256.

The previous prime is 471939763. The next prime is 471939791. The reversal of 471939786 is 687939174.

It is a happy number.

471939786 is a `hidden beast` number, since 471 + 9 + 3 + 97 + 86 = 666.

It can be written as a sum of positive squares in only one way, i.e., 443902761 + 28037025 = 21069^2 + 5295^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13109421 + ... + 13109456.

Almost surely, 2^471939786 is an apocalyptic number.

471939786 is an abundant number, since it is smaller than the sum of its proper divisors (550596456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471939786 is a wasteful number, since it uses less digits than its factorization.

471939786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26218885 (or 26218882 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 471939786 is about 21724.1751511996. The cubic root of 471939786 is about 778.5661726019.

The spelling of 471939786 in words is "four hundred seventy-one million, nine hundred thirty-nine thousand, seven hundred eighty-six".