1100008 has 32 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 434880.

The previous prime is 1099997. The next prime is 1100009. The reversal of 1100008 is 8000011.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1099967 and 1100003.

It is not an unprimeable number, because it can be changed into a prime (1100009) 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, 28 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2^1100008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080).

1100008 is an abundant number, since it is smaller than the sum of its proper divisors (1440152).

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

1100008 is a wasteful number, since it uses less digits than its factorization.

1100008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1100008 is about 1048.8126620136. The cubic root of 1100008 is about 103.2282617948.

Adding to 1100008 its reverse (8000011), we get a palindrome (9100019).

The spelling of 1100008 in words is "one million, one hundred thousand, eight".