1098260 has 24 divisors (see below), whose sum is σ = 2336040. Its totient is φ = 433664.

The previous prime is 1098233. The next prime is 1098269. The reversal of 1098260 is 628901.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 1073296 = 158^2 + 1036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098269) 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, 1472 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (97335).

2^1098260 is an apocalyptic number.

1098260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098260 is an abundant number, since it is smaller than the sum of its proper divisors (1237780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098260 is a wasteful number, since it uses less digits than its factorization.

1098260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1098260 is about 1047.9790074233. The cubic root of 1098260 is about 103.1735535061.

The spelling of 1098260 in words is "one million, ninety-eight thousand, two hundred sixty".