1009456 has 20 divisors (see below), whose sum is σ = 2235472. Its totient is φ = 432576.

The previous prime is 1009439. The next prime is 1009457. The reversal of 1009456 is 6549001.

It is a self number, because there is not a number n which added to its sum of digits gives 1009456.

It is not an unprimeable number, because it can be changed into a prime (1009457) by changing a digit.

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, 4395 + ... + 4618.

2^1009456 is an apocalyptic number.

1009456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1009456 is an abundant number, since it is smaller than the sum of its proper divisors (1226016).

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

1009456 is an equidigital number, since it uses as much as digits as its factorization.

1009456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028 (or 9022 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1009456 is about 1004.7168755426. The cubic root of 1009456 is about 100.3142116762.

The spelling of 1009456 in words is "one million, nine thousand, four hundred fifty-six".