8499447 has 12 divisors (see below), whose sum is σ = 13393224. Its totient is φ = 5151120.

The previous prime is 8499409. The next prime is 8499461. The reversal of 8499447 is 7449948.

8499447 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8499447 - 2⁶ = 8499383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42828 + ... + 43025.

It is an arithmetic number, because the mean of its divisors is an integer number (1116102).

Almost surely, 2^8499447 is an apocalyptic number.

8499447 is a deficient number, since it is larger than the sum of its proper divisors (4893777).

8499447 is a wasteful number, since it uses less digits than its factorization.

8499447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85870 (or 85867 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8499447 is about 2915.3811071625. The cubic root of 8499447 is about 204.0783292052.

It can be divided in two parts, 849 and 9447, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 8499447 in words is "eight million, four hundred ninety-nine thousand, four hundred forty-seven".