47399 has 8 divisors (see below), whose sum is σ = 53760. Its totient is φ = 41400.

The previous prime is 47389. The next prime is 47407. The reversal of 47399 is 99374.

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 not a de Polignac number, because 47399 - 2⁸ = 47143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47399.

It is not an unprimeable number, because it can be changed into a prime (47309) 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, 272 + ... + 410.

It is an arithmetic number, because the mean of its divisors is an integer number (6720).

2⁴⁷³⁹⁹ is an apocalyptic number.

47399 is a deficient number, since it is larger than the sum of its proper divisors (6361).

47399 is a wasteful number, since it uses less digits than its factorization.

47399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its digits is 6804, while the sum is 32.

The square root of 47399 is about 217.7131139826. The cubic root of 47399 is about 36.1900952726.

The spelling of 47399 in words is "forty-seven thousand, three hundred ninety-nine".