47871892 has 24 divisors (see below), whose sum is σ = 86425920. Its totient is φ = 23190720.

The previous prime is 47871883. The next prime is 47871899. The reversal of 47871892 is 29817874.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47871899) 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, 15328 + ... + 18184.

It is an arithmetic number, because the mean of its divisors is an integer number (3601080).

Almost surely, 2^47871892 is an apocalyptic number.

It is an amenable number.

47871892 is a deficient number, since it is larger than the sum of its proper divisors (38554028).

47871892 is a wasteful number, since it uses less digits than its factorization.

47871892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2989 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 47871892 is about 6918.9516546945. The cubic root of 47871892 is about 363.1005142755.

The spelling of 47871892 in words is "forty-seven million, eight hundred seventy-one thousand, eight hundred ninety-two".