109843493 has 4 divisors (see below), whose sum is σ = 111644268. Its totient is φ = 108042720.

The previous prime is 109843483. The next prime is 109843553. The reversal of 109843493 is 394348901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8196769 + 101646724 = 2863^2 + 10082^2 .

It is a cyclic number.

It is not a de Polignac number, because 109843493 - 2⁶ = 109843429 is a prime.

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 109843493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109843403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900296 + ... + 900417.

It is an arithmetic number, because the mean of its divisors is an integer number (27911067).

Almost surely, 2^109843493 is an apocalyptic number.

It is an amenable number.

109843493 is a deficient number, since it is larger than the sum of its proper divisors (1800775).

109843493 is an equidigital number, since it uses as much as digits as its factorization.

109843493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800774.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 109843493 is about 10480.6246474149. The cubic root of 109843493 is about 478.9146382290.

The spelling of 109843493 in words is "one hundred nine million, eight hundred forty-three thousand, four hundred ninety-three".