47399539 has 4 divisors (see below), whose sum is σ = 51708600. Its totient is φ = 43090480.

The previous prime is 47399537. The next prime is 47399549. The reversal of 47399539 is 93599374.

47399539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47399539 - 2¹ = 47399537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47399492 and 47399501.

It is not an unprimeable number, because it can be changed into a prime (47399537) 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, 2154514 + ... + 2154535.

It is an arithmetic number, because the mean of its divisors is an integer number (12927150).

Almost surely, 2^47399539 is an apocalyptic number.

47399539 is a deficient number, since it is larger than the sum of its proper divisors (4309061).

47399539 is a wasteful number, since it uses less digits than its factorization.

47399539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309060.

The product of its digits is 918540, while the sum is 49.

The square root of 47399539 is about 6884.7323114265. The cubic root of 47399539 is about 361.9023245117.

The spelling of 47399539 in words is "forty-seven million, three hundred ninety-nine thousand, five hundred thirty-nine".