47831892 has 24 divisors (see below), whose sum is σ = 117482400. Its totient is φ = 15104736.

The previous prime is 47831891. The next prime is 47831921. The reversal of 47831892 is 29813874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47831891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104667 + ... + 105122.

It is an arithmetic number, because the mean of its divisors is an integer number (4895100).

Almost surely, 2^47831892 is an apocalyptic number.

It is an amenable number.

47831892 is an abundant number, since it is smaller than the sum of its proper divisors (69650508).

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

47831892 is a wasteful number, since it uses less digits than its factorization.

47831892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209815 (or 209813 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 47831892 is about 6916.0604392963. The cubic root of 47831892 is about 362.9993549306. Note that the first 3 decimals are identical.

The spelling of 47831892 in words is "forty-seven million, eight hundred thirty-one thousand, eight hundred ninety-two".