47923148 has 72 divisors (see below), whose sum is σ = 107434656. Its totient is φ = 18213120.

The previous prime is 47923147. The next prime is 47923171. The reversal of 47923148 is 84132974.

It is a super-2 number, since 2×47923148² = 4593256228459808, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 349736 + ... + 349872.

It is an arithmetic number, because the mean of its divisors is an integer number (1492148).

Almost surely, 2^47923148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47923148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53717328).

47923148 is an abundant number, since it is smaller than the sum of its proper divisors (59511508).

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

47923148 is a wasteful number, since it uses less digits than its factorization.

47923148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 190 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 47923148 is about 6922.6546931073. The cubic root of 47923148 is about 363.2300575272.

The spelling of 47923148 in words is "forty-seven million, nine hundred twenty-three thousand, one hundred forty-eight".