1098575000 has 48 divisors (see below), whose sum is σ = 2574678960. Its totient is φ = 439420000.

The previous prime is 1098574991. The next prime is 1098575017. The reversal of 1098575000 is 5758901.

It is a congruent number.

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, 3029 + ... + 46971.

It is an arithmetic number, because the mean of its divisors is an integer number (53639145).

Almost surely, 2^1098575000 is an apocalyptic number.

1098575000 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 1098575000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287339480).

1098575000 is an abundant number, since it is smaller than the sum of its proper divisors (1476103960).

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

1098575000 is an frugal number, since it uses more digits than its factorization.

1098575000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43974 (or 43950 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 1098575000 is about 33144.7582582827. The cubic root of 1098575000 is about 1031.8341655090.

The spelling of 1098575000 in words is "one billion, ninety-eight million, five hundred seventy-five thousand".