471947838 has 8 divisors (see below), whose sum is σ = 943895688. Its totient is φ = 157315944.

The previous prime is 471947837. The next prime is 471947849. The reversal of 471947838 is 838749174.

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

471947838 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471947831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39328981 + ... + 39328992.

It is an arithmetic number, because the mean of its divisors is an integer number (117986961).

Almost surely, 2^471947838 is an apocalyptic number.

471947838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

471947838 is a wasteful number, since it uses less digits than its factorization.

471947838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78657978.

The product of its digits is 1354752, while the sum is 51.

The square root of 471947838 is about 21724.3604739012. The cubic root of 471947838 is about 778.5706004119.

It can be divided in two parts, 4719 and 47838, that multiplied together give a palindrome (225747522).

The spelling of 471947838 in words is "four hundred seventy-one million, nine hundred forty-seven thousand, eight hundred thirty-eight".