47883891 has 32 divisors (see below), whose sum is σ = 71663616. Its totient is φ = 28196000.

The previous prime is 47883881. The next prime is 47883949. The reversal of 47883891 is 19838874.

It is a cyclic number.

It is not a de Polignac number, because 47883891 - 2⁶ = 47883827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47883891.

It is not an unprimeable number, because it can be changed into a prime (47883881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250606 + ... + 250796.

It is an arithmetic number, because the mean of its divisors is an integer number (2239488).

Almost surely, 2^47883891 is an apocalyptic number.

47883891 is a deficient number, since it is larger than the sum of its proper divisors (23779725).

47883891 is a wasteful number, since it uses less digits than its factorization.

47883891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its digits is 387072, while the sum is 48.

The square root of 47883891 is about 6919.8187114982. The cubic root of 47883891 is about 363.1308485623.

The spelling of 47883891 in words is "forty-seven million, eight hundred eighty-three thousand, eight hundred ninety-one".