471681446 has 4 divisors (see below), whose sum is σ = 707522172. Its totient is φ = 235840722.

The previous prime is 471681421. The next prime is 471681449. The reversal of 471681446 is 644186174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644186174 = 2 ⋅322093087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471681449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117920360 + ... + 117920363.

It is an arithmetic number, because the mean of its divisors is an integer number (176880543).

Almost surely, 2^471681446 is an apocalyptic number.

471681446 is a deficient number, since it is larger than the sum of its proper divisors (235840726).

471681446 is a wasteful number, since it uses less digits than its factorization.

471681446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235840725.

The product of its digits is 129024, while the sum is 41.

The square root of 471681446 is about 21718.2284268308. The cubic root of 471681446 is about 778.4240842094.

The spelling of 471681446 in words is "four hundred seventy-one million, six hundred eighty-one thousand, four hundred forty-six".