109793491 has 4 divisors (see below), whose sum is σ = 112346872. Its totient is φ = 107240112.

The previous prime is 109793483. The next prime is 109793501. The reversal of 109793491 is 194397901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194397901 = 6947 ⋅27983.

It is a cyclic number.

It is not a de Polignac number, because 109793491 - 2³ = 109793483 is a prime.

It is a super-2 number, since 2×109793491² = 24109221331934162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 2553337 = 109793491 / (1 + 0 + 9 + 7 + 9 + 3 + 4 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109793471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276626 + ... + 1276711.

It is an arithmetic number, because the mean of its divisors is an integer number (28086718).

Almost surely, 2^109793491 is an apocalyptic number.

109793491 is a deficient number, since it is larger than the sum of its proper divisors (2553381).

109793491 is an equidigital number, since it uses as much as digits as its factorization.

109793491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553380.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 109793491 is about 10478.2389264609. The cubic root of 109793491 is about 478.8419580802.

The spelling of 109793491 in words is "one hundred nine million, seven hundred ninety-three thousand, four hundred ninety-one".