1099366 has 4 divisors (see below), whose sum is σ = 1649052. Its totient is φ = 549682.

The previous prime is 1099363. The next prime is 1099369. The reversal of 1099366 is 6639901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6639901 = 67 ⋅99103.

It is an interprime number because it is at equal distance from previous prime (1099363) and next prime (1099369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274840 + ... + 274843.

It is an arithmetic number, because the mean of its divisors is an integer number (412263).

2^1099366 is an apocalyptic number.

1099366 is a deficient number, since it is larger than the sum of its proper divisors (549686).

1099366 is an equidigital number, since it uses as much as digits as its factorization.

1099366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549685.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1099366 is about 1048.5065569657. The cubic root of 1099366 is about 103.2081754435.

The spelling of 1099366 in words is "one million, ninety-nine thousand, three hundred sixty-six".