47439611 has 4 divisors (see below), whose sum is σ = 48334752. Its totient is φ = 46544472.

The previous prime is 47439569. The next prime is 47439617. The reversal of 47439611 is 11693474.

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 47439611 - 2¹⁴ = 47423227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47439617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447491 + ... + 447596.

It is an arithmetic number, because the mean of its divisors is an integer number (12083688).

Almost surely, 2^47439611 is an apocalyptic number.

47439611 is a deficient number, since it is larger than the sum of its proper divisors (895141).

47439611 is an equidigital number, since it uses as much as digits as its factorization.

47439611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895140.

The product of its digits is 18144, while the sum is 35.

The square root of 47439611 is about 6887.6419041643. The cubic root of 47439611 is about 362.0042809542.

The spelling of 47439611 in words is "forty-seven million, four hundred thirty-nine thousand, six hundred eleven".