47917446 has 8 divisors (see below), whose sum is σ = 95834904. Its totient is φ = 15972480.

The previous prime is 47917439. The next prime is 47917447. The reversal of 47917446 is 64471974.

47917446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

47917446 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47917398 and 47917407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47917447) 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, 3993115 + ... + 3993126.

It is an arithmetic number, because the mean of its divisors is an integer number (11979363).

Almost surely, 2^47917446 is an apocalyptic number.

47917446 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.

47917446 is a wasteful number, since it uses less digits than its factorization.

47917446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986246.

The product of its digits is 169344, while the sum is 42.

The square root of 47917446 is about 6922.2428446277. The cubic root of 47917446 is about 363.2156509893.

The spelling of 47917446 in words is "forty-seven million, nine hundred seventeen thousand, four hundred forty-six".