1099449 has 12 divisors (see below), whose sum is σ = 1710436. Its totient is φ = 676512.

The previous prime is 1099433. The next prime is 1099459. The reversal of 1099449 is 9449901.

1099449 = 193² + 194² + ... + 218².

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 1040400 = 243^2 + 1020^2 .

It is not a de Polignac number, because 1099449 - 2⁴ = 1099433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1099409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4582 + ... + 4815.

2^1099449 is an apocalyptic number.

It is an amenable number.

1099449 is a deficient number, since it is larger than the sum of its proper divisors (610987).

1099449 is a wasteful number, since it uses less digits than its factorization.

1099449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416 (or 9413 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1099449 is about 1048.5461363240. The cubic root of 1099449 is about 103.2107727171.

The spelling of 1099449 in words is "one million, ninety-nine thousand, four hundred forty-nine".