47947393 has 8 divisors (see below), whose sum is σ = 54353600. Its totient is φ = 41929488.

The previous prime is 47947381. The next prime is 47947423. The reversal of 47947393 is 39374974.

It is a happy number.

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-47947393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47947343) 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, 96813 + ... + 97306.

It is an arithmetic number, because the mean of its divisors is an integer number (6794200).

Almost surely, 2^47947393 is an apocalyptic number.

It is an amenable number.

47947393 is a deficient number, since it is larger than the sum of its proper divisors (6406207).

47947393 is a wasteful number, since it uses less digits than its factorization.

47947393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194151.

The product of its digits is 571536, while the sum is 46.

The square root of 47947393 is about 6924.4056062596. The cubic root of 47947393 is about 363.2913016122.

The spelling of 47947393 in words is "forty-seven million, nine hundred forty-seven thousand, three hundred ninety-three".