1009448 has 16 divisors (see below), whose sum is σ = 2064960. Its totient is φ = 458800.

The previous prime is 1009439. The next prime is 1009457. The reversal of 1009448 is 8449001.

It is an interprime number because it is at equal distance from previous prime (1009439) and next prime (1009457).

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 3 ways as a sum of consecutive naturals, for example, 5648 + ... + 5823.

It is an arithmetic number, because the mean of its divisors is an integer number (129060).

2^1009448 is an apocalyptic number.

It is an amenable number.

1009448 is an abundant number, since it is smaller than the sum of its proper divisors (1055512).

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

1009448 is a wasteful number, since it uses less digits than its factorization.

1009448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488 (or 11484 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1009448 is about 1004.7128943136. The cubic root of 1009448 is about 100.3139466767.

The spelling of 1009448 in words is "one million, nine thousand, four hundred forty-eight".