47889942 has 16 divisors (see below), whose sum is σ = 95992320. Its totient is φ = 15927912.

The previous prime is 47889931. The next prime is 47889949. The reversal of 47889942 is 24998874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47889949) 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, 5842 + ... + 11397.

It is an arithmetic number, because the mean of its divisors is an integer number (5999520).

Almost surely, 2^47889942 is an apocalyptic number.

47889942 is an abundant number, since it is smaller than the sum of its proper divisors (48102378).

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

47889942 is a wasteful number, since it uses less digits than its factorization.

47889942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17707.

The product of its digits is 1161216, while the sum is 51.

The square root of 47889942 is about 6920.2559201232. The cubic root of 47889942 is about 363.1461439791.

The spelling of 47889942 in words is "forty-seven million, eight hundred eighty-nine thousand, nine hundred forty-two".