1096209 has 9 divisors (see below), whose sum is σ = 1587963. Its totient is φ = 728712.

The previous prime is 1096201. The next prime is 1096219. The reversal of 1096209 is 9026901.

It is a happy number.

The square root of 1096209 is 1047.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 804609 + 291600 = 897^2 + 540^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1096209 - 2³ = 1096201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1096201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2967 + ... + 3315.

2^1096209 is an apocalyptic number.

1096209 is the 1047-th square number.

1096209 is the 524-th centered octagonal number.

It is an amenable number.

1096209 is a deficient number, since it is larger than the sum of its proper divisors (491754).

1096209 is an frugal number, since it uses more digits than its factorization.

1096209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The cubic root of 1096209 is about 103.1092879644.

The spelling of 1096209 in words is "one million, ninety-six thousand, two hundred nine".