47981194 has 16 divisors (see below), whose sum is σ = 76063680. Its totient is φ = 22636800.

The previous prime is 47981183. The next prime is 47981201. The reversal of 47981194 is 49118974.

It is a self number, because there is not a number n which added to its sum of digits gives 47981194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7594 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (4753980).

Almost surely, 2^47981194 is an apocalyptic number.

47981194 is a deficient number, since it is larger than the sum of its proper divisors (28082486).

47981194 is a wasteful number, since it uses less digits than its factorization.

47981194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085.

The product of its digits is 72576, while the sum is 43.

The square root of 47981194 is about 6926.8458911686. The cubic root of 47981194 is about 363.3766501863.

The spelling of 47981194 in words is "forty-seven million, nine hundred eighty-one thousand, one hundred ninety-four".