1099189084 has 24 divisors (see below), whose sum is σ = 2200796640. Its totient is φ = 470562816.

The previous prime is 1099189051. The next prime is 1099189087. The reversal of 1099189084 is 4809819901.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099189087) 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, 4884 + ... + 47140.

It is an arithmetic number, because the mean of its divisors is an integer number (91699860).

Almost surely, 2^1099189084 is an apocalyptic number.

1099189084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1099189084 is an abundant number, since it is smaller than the sum of its proper divisors (1101607556).

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

1099189084 is a wasteful number, since it uses less digits than its factorization.

1099189084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43197 (or 43195 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 1099189084 is about 33154.0206309883. The cubic root of 1099189084 is about 1032.0263887149.

The spelling of 1099189084 in words is "one billion, ninety-nine million, one hundred eighty-nine thousand, eighty-four".