47299841 has 4 divisors (see below), whose sum is σ = 48930900. Its totient is φ = 45668784.

The previous prime is 47299817. The next prime is 47299849. The reversal of 47299841 is 14899274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14409616 + 32890225 = 3796^2 + 5735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47299841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47299792 and 47299801.

It is not an unprimeable number, because it can be changed into a prime (47299849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815486 + ... + 815543.

It is an arithmetic number, because the mean of its divisors is an integer number (12232725).

Almost surely, 2^47299841 is an apocalyptic number.

It is an amenable number.

47299841 is a deficient number, since it is larger than the sum of its proper divisors (1631059).

47299841 is a wasteful number, since it uses less digits than its factorization.

47299841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631058.

The product of its digits is 145152, while the sum is 44.

The square root of 47299841 is about 6877.4879861763. The cubic root of 47299841 is about 361.6484101959.

The spelling of 47299841 in words is "forty-seven million, two hundred ninety-nine thousand, eight hundred forty-one".