1093989500 has 24 divisors (see below), whose sum is σ = 2389274160. Its totient is φ = 437595600.

The previous prime is 1093989487. The next prime is 1093989569. The reversal of 1093989500 is 59893901.

It is a super-2 number, since 2×1093989500² = 2393626052220500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093490 + ... + 1094489.

It is an arithmetic number, because the mean of its divisors is an integer number (99553090).

Almost surely, 2^1093989500 is an apocalyptic number.

1093989500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093989500 is an abundant number, since it is smaller than the sum of its proper divisors (1295284660).

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

1093989500 is a wasteful number, since it uses less digits than its factorization.

1093989500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187998 (or 2187986 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 1093989500 is about 33075.5120897621. The cubic root of 1093989500 is about 1030.3965231078.

The spelling of 1093989500 in words is "one billion, ninety-three million, nine hundred eighty-nine thousand, five hundred".