1005969 has 4 divisors (see below), whose sum is σ = 1341296. Its totient is φ = 670644.

The previous prime is 1005959. The next prime is 1005971. The reversal of 1005969 is 9695001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9695001 = 3 ⋅3231667.

It is not a de Polignac number, because 1005969 - 2⁵ = 1005937 is a prime.

It is a super-2 number, since 2×1005969² = 2023947257922, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1005959) 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, 167659 + ... + 167664.

It is an arithmetic number, because the mean of its divisors is an integer number (335324).

2^1005969 is an apocalyptic number.

It is an amenable number.

1005969 is a deficient number, since it is larger than the sum of its proper divisors (335327).

1005969 is an equidigital number, since it uses as much as digits as its factorization.

1005969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335326.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 1005969 is about 1002.9800596223. The cubic root of 1005969 is about 100.1985720969.

The spelling of 1005969 in words is "one million, five thousand, nine hundred sixty-nine".