471789394 has 4 divisors (see below), whose sum is σ = 707684094. Its totient is φ = 235894696.

The previous prime is 471789359. The next prime is 471789407. The reversal of 471789394 is 493987174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 357021025 + 114768369 = 18895^2 + 10713^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117947347 + ... + 117947350.

Almost surely, 2^471789394 is an apocalyptic number.

471789394 is a deficient number, since it is larger than the sum of its proper divisors (235894700).

471789394 is a wasteful number, since it uses less digits than its factorization.

471789394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235894699.

The product of its digits is 1524096, while the sum is 52.

The square root of 471789394 is about 21720.7134781526. The cubic root of 471789394 is about 778.4834624998.

The spelling of 471789394 in words is "four hundred seventy-one million, seven hundred eighty-nine thousand, three hundred ninety-four".