1000009098 has 96 divisors (see below), whose sum is σ = 2521935360. Its totient is φ = 293198400.

The previous prime is 1000009093. The next prime is 1000009099. The reversal of 1000009098 is 8909000001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000009093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200086 + ... + 205022.

It is an arithmetic number, because the mean of its divisors is an integer number (26270160).

Almost surely, 2^1000009098 is an apocalyptic number.

1000009098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000009098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260967680).

1000009098 is an abundant number, since it is smaller than the sum of its proper divisors (1521926262).

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

1000009098 is a wasteful number, since it uses less digits than its factorization.

1000009098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001 (or 4984 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1000009098 is about 31622.9204533674. The cubic root of 1000009098 is about 1000.0030326575.

Adding to 1000009098 its reverse (8909000001), we get a palindrome (9909009099).

The spelling of 1000009098 in words is "one billion, nine thousand, ninety-eight".