47844866 has 8 divisors (see below), whose sum is σ = 71896464. Its totient is φ = 23879380.

The previous prime is 47844859. The next prime is 47844871. The reversal of 47844866 is 66844874.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47844866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20120 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (8987058).

Almost surely, 2^47844866 is an apocalyptic number.

47844866 is a deficient number, since it is larger than the sum of its proper divisors (24051598).

47844866 is a wasteful number, since it uses less digits than its factorization.

47844866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43056.

The product of its digits is 1032192, while the sum is 47.

The square root of 47844866 is about 6916.9983374293. The cubic root of 47844866 is about 363.0321721417.

The spelling of 47844866 in words is "forty-seven million, eight hundred forty-four thousand, eight hundred sixty-six".