8449644 has 24 divisors (see below), whose sum is σ = 22532608. Its totient is φ = 2414160.

The previous prime is 8449627. The next prime is 8449667. The reversal of 8449644 is 4469448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50212 + ... + 50379.

Almost surely, 2^8449644 is an apocalyptic number.

8449644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8449644 is an abundant number, since it is smaller than the sum of its proper divisors (14082964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8449644 is a wasteful number, since it uses less digits than its factorization.

8449644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100605 (or 100603 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 8449644 is about 2906.8271362432. The cubic root of 8449644 is about 203.6789452011.

The spelling of 8449644 in words is "eight million, four hundred forty-nine thousand, six hundred forty-four".