8434449 has 20 divisors (see below), whose sum is σ = 13009920. Its totient is φ = 5439960.

The previous prime is 8434427. The next prime is 8434453. The reversal of 8434449 is 9444348.

8434449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8434449 - 2¹¹ = 8432401 is a prime.

It is a super-2 number, since 2×8434449² = 142279859867202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8430449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 832 + ... + 4190.

It is an arithmetic number, because the mean of its divisors is an integer number (650496).

Almost surely, 2^8434449 is an apocalyptic number.

It is an amenable number.

8434449 is a deficient number, since it is larger than the sum of its proper divisors (4575471).

8434449 is a wasteful number, since it uses less digits than its factorization.

8434449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3393 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 8434449 is about 2904.2122856293. The cubic root of 8434449 is about 203.5567799511.

The spelling of 8434449 in words is "eight million, four hundred thirty-four thousand, four hundred forty-nine".