1098600 has 48 divisors (see below), whose sum is σ = 3407520. Its totient is φ = 292800.

The previous prime is 1098593. The next prime is 1098613. The reversal of 1098600 is 68901.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (70990).

2^1098600 is an apocalyptic number.

1098600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703760).

1098600 is an abundant number, since it is smaller than the sum of its proper divisors (2308920).

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

1098600 is a wasteful number, since it uses less digits than its factorization.

1098600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1098600 is about 1048.1412118603. The cubic root of 1098600 is about 103.1841992515.

The spelling of 1098600 in words is "one million, ninety-eight thousand, six hundred".