47209944 has 32 divisors (see below), whose sum is σ = 118203120. Its totient is φ = 15712896.

The previous prime is 47209933. The next prime is 47209951. The reversal of 47209944 is 44990274.

It is a happy number.

47209944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22942 + ... + 24914.

Almost surely, 2^47209944 is an apocalyptic number.

It is an amenable number.

47209944 is an abundant number, since it is smaller than the sum of its proper divisors (70993176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47209944 is a wasteful number, since it uses less digits than its factorization.

47209944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 47209944 is about 6870.9492793936. The cubic root of 47209944 is about 361.4191513172.

The spelling of 47209944 in words is "forty-seven million, two hundred nine thousand, nine hundred forty-four".