47854449 has 8 divisors (see below), whose sum is σ = 70895520. Its totient is φ = 31902948.

The previous prime is 47854447. The next prime is 47854453. The reversal of 47854449 is 94445874.

It is not a de Polignac number, because 47854449 - 2¹ = 47854447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47854447) 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, 886167 + ... + 886220.

It is an arithmetic number, because the mean of its divisors is an integer number (8861940).

Almost surely, 2^47854449 is an apocalyptic number.

It is an amenable number.

47854449 is a deficient number, since it is larger than the sum of its proper divisors (23041071).

47854449 is a wasteful number, since it uses less digits than its factorization.

47854449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772396 (or 1772390 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 47854449 is about 6917.6910165170. The cubic root of 47854449 is about 363.0564081455.

The spelling of 47854449 in words is "forty-seven million, eight hundred fifty-four thousand, four hundred forty-nine".