47944946 has 32 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 19720512.

The previous prime is 47944921. The next prime is 47944973. The reversal of 47944946 is 64944974.

It is a self number, because there is not a number n which added to its sum of digits gives 47944946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108995 + ... + 109433.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^47944946 is an apocalyptic number.

47944946 is a deficient number, since it is larger than the sum of its proper divisors (37591054).

47944946 is a wasteful number, since it uses less digits than its factorization.

47944946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its digits is 870912, while the sum is 47.

The square root of 47944946 is about 6924.2289101387. The cubic root of 47944946 is about 363.2851213044.

The spelling of 47944946 in words is "forty-seven million, nine hundred forty-four thousand, nine hundred forty-six".