1098266 has 16 divisors (see below), whose sum is σ = 1809864. Its totient is φ = 496704.

The previous prime is 1098233. The next prime is 1098269. The reversal of 1098266 is 6628901.

It can be written as a sum of positive squares in 4 ways, for example, as 863041 + 235225 = 929^2 + 485^2 .

It is not an unprimeable number, because it can be changed into a prime (1098269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980 + ... + 1776.

2^1098266 is an apocalyptic number.

1098266 is a deficient number, since it is larger than the sum of its proper divisors (711598).

1098266 is a wasteful number, since it uses less digits than its factorization.

1098266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1098266 is about 1047.9818700722. The cubic root of 1098266 is about 103.1737413913.

The spelling of 1098266 in words is "one million, ninety-eight thousand, two hundred sixty-six".