47485439 has 8 divisors (see below), whose sum is σ = 48356352. Its totient is φ = 46620280.

The previous prime is 47485429. The next prime is 47485447. The reversal of 47485439 is 93458474.

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 47485439 - 2⁸ = 47485183 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 47485439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47485429) 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, 17402 + ... + 19944.

It is an arithmetic number, because the mean of its divisors is an integer number (6044544).

Almost surely, 2^47485439 is an apocalyptic number.

47485439 is a deficient number, since it is larger than the sum of its proper divisors (870913).

47485439 is a wasteful number, since it uses less digits than its factorization.

47485439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877.

The product of its digits is 483840, while the sum is 44.

The square root of 47485439 is about 6890.9679291084. The cubic root of 47485439 is about 362.1208122143.

The spelling of 47485439 in words is "forty-seven million, four hundred eighty-five thousand, four hundred thirty-nine".