47397959 has 4 divisors (see below), whose sum is σ = 54169104. Its totient is φ = 40626816.

The previous prime is 47397941. The next prime is 47397971. The reversal of 47397959 is 95979374.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47397959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47397959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47397859) 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, 3385562 + ... + 3385575.

It is an arithmetic number, because the mean of its divisors is an integer number (13542276).

Almost surely, 2^47397959 is an apocalyptic number.

47397959 is a deficient number, since it is larger than the sum of its proper divisors (6771145).

47397959 is an equidigital number, since it uses as much as digits as its factorization.

47397959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771144.

The product of its digits is 2143260, while the sum is 53.

The square root of 47397959 is about 6884.6175638157. The cubic root of 47397959 is about 361.8983032910.

The spelling of 47397959 in words is "forty-seven million, three hundred ninety-seven thousand, nine hundred fifty-nine".