47209941 has 24 divisors (see below), whose sum is σ = 70906680. Its totient is φ = 30231936.

The previous prime is 47209933. The next prime is 47209951. The reversal of 47209941 is 14990274.

It can be written as a sum of positive squares in 4 ways, for example, as 342225 + 46867716 = 585^2 + 6846^2 .

It is not a de Polignac number, because 47209941 - 2³ = 47209933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47209896 and 47209905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47209951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71971 + ... + 72623.

It is an arithmetic number, because the mean of its divisors is an integer number (2954445).

Almost surely, 2^47209941 is an apocalyptic number.

It is an amenable number.

47209941 is a deficient number, since it is larger than the sum of its proper divisors (23696739).

47209941 is a wasteful number, since it uses less digits than its factorization.

47209941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 47209941 is about 6870.9490610832. The cubic root of 47209941 is about 361.4191436617.

The spelling of 47209941 in words is "forty-seven million, two hundred nine thousand, nine hundred forty-one".