1093945983 has 16 divisors (see below), whose sum is σ = 1571391360. Its totient is φ = 672941664.

The previous prime is 1093945973. The next prime is 1093945991. The reversal of 1093945983 is 3895493901.

It is a happy number.

It is not a de Polignac number, because 1093945983 - 2⁹ = 1093945471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093945933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181228 + ... + 187166.

It is an arithmetic number, because the mean of its divisors is an integer number (98211960).

Almost surely, 2^1093945983 is an apocalyptic number.

1093945983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1093945983 is a deficient number, since it is larger than the sum of its proper divisors (477445377).

1093945983 is a wasteful number, since it uses less digits than its factorization.

1093945983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10678.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 1093945983 is about 33074.8542400416. The cubic root of 1093945983 is about 1030.3828604660.

The spelling of 1093945983 in words is "one billion, ninety-three million, nine hundred forty-five thousand, nine hundred eighty-three".