47311946 has 8 divisors (see below), whose sum is σ = 77419584. Its totient is φ = 21505420.

The previous prime is 47311931. The next prime is 47311949. The reversal of 47311946 is 64911374.

47311946 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.

It is not an unprimeable number, because it can be changed into a prime (47311949) 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, 1075250 + ... + 1075293.

It is an arithmetic number, because the mean of its divisors is an integer number (9677448).

Almost surely, 2^47311946 is an apocalyptic number.

47311946 is a deficient number, since it is larger than the sum of its proper divisors (30107638).

47311946 is a wasteful number, since it uses less digits than its factorization.

47311946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150556.

The product of its digits is 18144, while the sum is 35.

The square root of 47311946 is about 6878.3679750359. The cubic root of 47311946 is about 361.6792586478.

The spelling of 47311946 in words is "forty-seven million, three hundred eleven thousand, nine hundred forty-six".