47813986 has 8 divisors (see below), whose sum is σ = 78241104. Its totient is φ = 21733620.

The previous prime is 47813963. The next prime is 47813989. The reversal of 47813986 is 68931874.

It is a happy number.

47813986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47813989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086660 + ... + 1086703.

It is an arithmetic number, because the mean of its divisors is an integer number (9780138).

Almost surely, 2^47813986 is an apocalyptic number.

47813986 is a deficient number, since it is larger than the sum of its proper divisors (30427118).

47813986 is a wasteful number, since it uses less digits than its factorization.

47813986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173376.

The product of its digits is 290304, while the sum is 46.

The square root of 47813986 is about 6914.7657950215. The cubic root of 47813986 is about 362.9540526756.

The spelling of 47813986 in words is "forty-seven million, eight hundred thirteen thousand, nine hundred eighty-six".