1096865 has 36 divisors (see below), whose sum is σ = 1728468. Its totient is φ = 665280.

The previous prime is 1096861. The next prime is 1096871. The reversal of 1096865 is 5686901.

1096865 = 95² + 96² + ... + 160².

It can be written as a sum of positive squares in 2 ways, for example, as 717409 + 379456 = 847^2 + 616^2 .

It is not a de Polignac number, because 1096865 - 2² = 1096861 is a prime.

It is a super-2 number, since 2×1096865² = 2406225656450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1096861) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29627 + ... + 29663.

It is an arithmetic number, because the mean of its divisors is an integer number (48013).

2^1096865 is an apocalyptic number.

1096865 is the 605-th octagonal number.

It is an amenable number.

1096865 is a deficient number, since it is larger than the sum of its proper divisors (631603).

1096865 is a wasteful number, since it uses less digits than its factorization.

1096865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1096865 is about 1047.3132291726. The cubic root of 1096865 is about 103.1298516236.

The spelling of 1096865 in words is "one million, ninety-six thousand, eight hundred sixty-five".