1096661 has 4 divisors (see below), whose sum is σ = 1154400. Its totient is φ = 1038924.

The previous prime is 1096639. The next prime is 1096673. The reversal of 1096661 is 1666901.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1096661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1096621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28841 + ... + 28878.

It is an arithmetic number, because the mean of its divisors is an integer number (288600).

2^1096661 is an apocalyptic number.

It is an amenable number.

1096661 is a deficient number, since it is larger than the sum of its proper divisors (57739).

1096661 is an equidigital number, since it uses as much as digits as its factorization.

1096661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57738.

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

The square root of 1096661 is about 1047.2158325770. The cubic root of 1096661 is about 103.1234577057.

The spelling of 1096661 in words is "one million, ninety-six thousand, six hundred sixty-one".