1098834884 has 24 divisors (see below), whose sum is σ = 2198723520. Its totient is φ = 470703456.

The previous prime is 1098834883. The next prime is 1098834887. The reversal of 1098834884 is 4884388901.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1098834881) 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, 58679 + ... + 75105.

It is an arithmetic number, because the mean of its divisors is an integer number (91613480).

Almost surely, 2^1098834884 is an apocalyptic number.

1098834884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1098834884 is an abundant number, since it is smaller than the sum of its proper divisors (1099888636).

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

1098834884 is a wasteful number, since it uses less digits than its factorization.

1098834884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18827 (or 18825 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The square root of 1098834884 is about 33148.6784653627. The cubic root of 1098834884 is about 1031.9155242533.

The spelling of 1098834884 in words is "one billion, ninety-eight million, eight hundred thirty-four thousand, eight hundred eighty-four".