1093809992 has 36 divisors (see below), whose sum is σ = 2256410835. Its totient is φ = 496718640.

The previous prime is 1093809989. The next prime is 1093810001. The reversal of 1093809992 is 2999083901.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 546904996 + 546904996 = 23386^2 + 23386^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23386.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1093809992.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1028453 + ... + 1029515.

Almost surely, 2^1093809992 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 1093809992

1093809992 is an abundant number, since it is smaller than the sum of its proper divisors (1162600843).

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

1093809992 is an equidigital number, since it uses as much as digits as its factorization.

1093809992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 1093809992 is about 33072.7983696572. The cubic root of 1093809992 is about 1030.3401622571.

Multiplying 1093809992 by its sum of digits (50), we get a square (54690499600 = 233860²).

The spelling of 1093809992 in words is "one billion, ninety-three million, eight hundred nine thousand, nine hundred ninety-two".