47948609 has 8 divisors (see below), whose sum is σ = 50535840. Its totient is φ = 45367776.

The previous prime is 47948603. The next prime is 47948669. The reversal of 47948609 is 90684974.

47948609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47948609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47948603) by changing a digit.

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, 28109 + ... + 29765.

It is an arithmetic number, because the mean of its divisors is an integer number (6316980).

Almost surely, 2^47948609 is an apocalyptic number.

It is an amenable number.

47948609 is a deficient number, since it is larger than the sum of its proper divisors (2587231).

47948609 is a wasteful number, since it uses less digits than its factorization.

47948609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 47948609 is about 6924.4934110735. The cubic root of 47948609 is about 363.2943727454.

The spelling of 47948609 in words is "forty-seven million, nine hundred forty-eight thousand, six hundred nine".