8447049 has 48 divisors (see below), whose sum is σ = 14222208. Its totient is φ = 4790016.

The previous prime is 8447041. The next prime is 8447053. The reversal of 8447049 is 9407448.

It is not a de Polignac number, because 8447049 - 2³ = 8447041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8447041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115677 + ... + 115749.

It is an arithmetic number, because the mean of its divisors is an integer number (296296).

Almost surely, 2^8447049 is an apocalyptic number.

It is an amenable number.

8447049 is a deficient number, since it is larger than the sum of its proper divisors (5775159).

8447049 is a wasteful number, since it uses less digits than its factorization.

8447049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8447049 is about 2906.3807389948. The cubic root of 8447049 is about 203.6580922129.

The spelling of 8447049 in words is "eight million, four hundred forty-seven thousand, forty-nine".