1096409 has 4 divisors (see below), whose sum is σ = 1098804. Its totient is φ = 1094016.

The previous prime is 1096399. The next prime is 1096423. The reversal of 1096409 is 9046901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9046901 = 449 ⋅20149.

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 861184 = 485^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1096409 - 2⁴ = 1096393 is a prime.

It is a super-2 number, since 2×1096409² = 2404225390562, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1096489) 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, 272 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (274701).

2^1096409 is an apocalyptic number.

It is an amenable number.

1096409 is a deficient number, since it is larger than the sum of its proper divisors (2395).

1096409 is an equidigital number, since it uses as much as digits as its factorization.

1096409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1096409 is about 1047.0955066277. The cubic root of 1096409 is about 103.1155582418.

The spelling of 1096409 in words is "one million, ninety-six thousand, four hundred nine".