47886190 has 32 divisors (see below), whose sum is σ = 94491360. Its totient is φ = 17328000.

The previous prime is 47886187. The next prime is 47886191. The reversal of 47886190 is 9168874.

It is a super-2 number, since 2×47886190² = 4586174385432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47886191) 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 15 ways as a sum of consecutive naturals, for example, 24240 + ... + 26140.

It is an arithmetic number, because the mean of its divisors is an integer number (2952855).

Almost surely, 2^47886190 is an apocalyptic number.

47886190 is a deficient number, since it is larger than the sum of its proper divisors (46605170).

47886190 is a wasteful number, since it uses less digits than its factorization.

47886190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 47886190 is about 6919.9848265730. The cubic root of 47886190 is about 363.1366600119.

It can be divided in two parts, 478 and 86190, that added together give a palindrome (86668).

The spelling of 47886190 in words is "forty-seven million, eight hundred eighty-six thousand, one hundred ninety".