1098308 has 24 divisors (see below), whose sum is σ = 2033304. Its totient is φ = 518400.

The previous prime is 1098301. The next prime is 1098311. The reversal of 1098308 is 8038901.

It is a happy number.

1098308 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 1098304 = 2^2 + 1048^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5978 + ... + 6158.

It is an arithmetic number, because the mean of its divisors is an integer number (84721).

2^1098308 is an apocalyptic number.

It is an amenable number.

1098308 is a deficient number, since it is larger than the sum of its proper divisors (934996).

1098308 is a wasteful number, since it uses less digits than its factorization.

1098308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1098308 is about 1048.0019083952. The cubic root of 1098308 is about 103.1750565681.

The spelling of 1098308 in words is "one million, ninety-eight thousand, three hundred eight".