1008669 has 4 divisors (see below), whose sum is σ = 1344896. Its totient is φ = 672444.

The previous prime is 1008659. The next prime is 1008701. The reversal of 1008669 is 9668001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1008669 - 2⁷ = 1008541 is a prime.

It is a super-2 number, since 2×1008669² = 2034826303122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008659) 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, 168109 + ... + 168114.

It is an arithmetic number, because the mean of its divisors is an integer number (336224).

2^1008669 is an apocalyptic number.

It is an amenable number.

1008669 is a deficient number, since it is larger than the sum of its proper divisors (336227).

1008669 is an equidigital number, since it uses as much as digits as its factorization.

1008669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336226.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1008669 is about 1004.3251465536. The cubic root of 1008669 is about 100.2881356478.

The spelling of 1008669 in words is "one million, eight thousand, six hundred sixty-nine".