47311146 has 24 divisors (see below), whose sum is σ = 105815424. Its totient is φ = 15261480.

The previous prime is 47311141. The next prime is 47311163. The reversal of 47311146 is 64111374.

It is a happy number.

47311146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47311141) 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 11 ways as a sum of consecutive naturals, for example, 41836 + ... + 42951.

It is an arithmetic number, because the mean of its divisors is an integer number (4408976).

Almost surely, 2^47311146 is an apocalyptic number.

47311146 is an abundant number, since it is smaller than the sum of its proper divisors (58504278).

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

47311146 is a wasteful number, since it uses less digits than its factorization.

47311146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84826 (or 84823 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 47311146 is about 6878.3098214605. The cubic root of 47311146 is about 361.6772200856.

The spelling of 47311146 in words is "forty-seven million, three hundred eleven thousand, one hundred forty-six".