47984305 has 8 divisors (see below), whose sum is σ = 57821544. Its totient is φ = 38227200.

The previous prime is 47984303. The next prime is 47984323. The reversal of 47984305 is 50348974.

It can be written as a sum of positive squares in 4 ways, for example, as 12510369 + 35473936 = 3537^2 + 5956^2 .

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

It is not a de Polignac number, because 47984305 - 2¹ = 47984303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47984303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18706 + ... + 21115.

It is an arithmetic number, because the mean of its divisors is an integer number (7227693).

Almost surely, 2^47984305 is an apocalyptic number.

It is an amenable number.

47984305 is a deficient number, since it is larger than the sum of its proper divisors (9837239).

47984305 is a wasteful number, since it uses less digits than its factorization.

47984305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40067.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 47984305 is about 6927.0704486096. The cubic root of 47984305 is about 363.3845035432.

The spelling of 47984305 in words is "forty-seven million, nine hundred eighty-four thousand, three hundred five".