1098628008 has 64 divisors (see below), whose sum is σ = 2821029120. Its totient is φ = 356371200.

The previous prime is 1098627991. The next prime is 1098628021. The reversal of 1098628008 is 8008268901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201478 + ... + 206858.

It is an arithmetic number, because the mean of its divisors is an integer number (44078580).

Almost surely, 2^1098628008 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 1098628008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410514560).

1098628008 is an abundant number, since it is smaller than the sum of its proper divisors (1722401112).

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

1098628008 is a wasteful number, since it uses less digits than its factorization.

1098628008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1098628008 is about 33145.5578924235. The cubic root of 1098628008 is about 1031.8507611248.

The spelling of 1098628008 in words is "one billion, ninety-eight million, six hundred twenty-eight thousand, eight".