47923146 has 24 divisors (see below), whose sum is σ = 104307840. Its totient is φ = 15901416.

The previous prime is 47923087. The next prime is 47923147. The reversal of 47923146 is 64132974.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47923146.

It is not an unprimeable number, because it can be changed into a prime (47923147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1956 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (4346160).

Almost surely, 2^47923146 is an apocalyptic number.

47923146 is an abundant number, since it is smaller than the sum of its proper divisors (56384694).

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

47923146 is a wasteful number, since it uses less digits than its factorization.

47923146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170 (or 12167 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 47923146 is about 6922.6545486540. The cubic root of 47923146 is about 363.2300524742.

The spelling of 47923146 in words is "forty-seven million, nine hundred twenty-three thousand, one hundred forty-six".