1009449 has 32 divisors (see below), whose sum is σ = 1760000. Its totient is φ = 571536.

The previous prime is 1009439. The next prime is 1009457. The reversal of 1009449 is 9449001.

It is not a de Polignac number, because 1009449 - 2⁴ = 1009433 is a prime.

It is a super-3 number, since 3×1009449³ = 3085847083331237547, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

1009449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1009439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9207 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (55000).

2^1009449 is an apocalyptic number.

It is an amenable number.

1009449 is a deficient number, since it is larger than the sum of its proper divisors (750551).

1009449 is an equidigital number, since it uses as much as digits as its factorization.

1009449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1009449 is about 1004.7133919681. The cubic root of 1009449 is about 100.3139798017.

The spelling of 1009449 in words is "one million, nine thousand, four hundred forty-nine".