1099633 has 2 divisors, whose sum is σ = 1099634. Its totient is φ = 1099632.

The previous prime is 1099627. The next prime is 1099649. The reversal of 1099633 is 3369901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 42849 = 1028^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099633 - 2⁹ = 1099121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1099595 and 1099604.

It is not a weakly prime, because it can be changed into another prime (1099433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549816 + 549817.

It is an arithmetic number, because the mean of its divisors is an integer number (549817).

2^1099633 is an apocalyptic number.

It is an amenable number.

1099633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099633 is an equidigital number, since it uses as much as digits as its factorization.

1099633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1099633 is about 1048.6338731893. The cubic root of 1099633 is about 103.2165300625.

The spelling of 1099633 in words is "one million, ninety-nine thousand, six hundred thirty-three".