47099 has 4 divisors (see below), whose sum is σ = 50736. Its totient is φ = 43464.

The previous prime is 47093. The next prime is 47111. The reversal of 47099 is 99074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99074 = 2 ⋅49537.

It is a cyclic number.

It is not a de Polignac number, because 47099 - 2¹² = 43003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47093) 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 3 ways as a sum of consecutive naturals, for example, 1799 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (12684).

2⁴⁷⁰⁹⁹ is an apocalyptic number.

47099 is a deficient number, since it is larger than the sum of its proper divisors (3637).

47099 is a wasteful number, since it uses less digits than its factorization.

47099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 47099 is about 217.0230402515. The cubic root of 47099 is about 36.1135815974.

The spelling of 47099 in words is "forty-seven thousand, ninety-nine".