472168838 has 8 divisors (see below), whose sum is σ = 721616688. Its totient is φ = 231629944.

The previous prime is 472168831. The next prime is 472168841. The reversal of 472168838 is 838861274.

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

It is a junction number, because it is equal to n+sod(n) for n = 472168792 and 472168801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472168831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2227106 + ... + 2227317.

It is an arithmetic number, because the mean of its divisors is an integer number (90202086).

Almost surely, 2^472168838 is an apocalyptic number.

472168838 is a deficient number, since it is larger than the sum of its proper divisors (249447850).

472168838 is a wasteful number, since it uses less digits than its factorization.

472168838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454478.

The product of its digits is 516096, while the sum is 47.

The square root of 472168838 is about 21729.4463344099. The cubic root of 472168838 is about 778.6921090747.

The spelling of 472168838 in words is "four hundred seventy-two million, one hundred sixty-eight thousand, eight hundred thirty-eight".