103843491 has 4 divisors (see below), whose sum is σ = 138457992. Its totient is φ = 69228992.

The previous prime is 103843489. The next prime is 103843499. The reversal of 103843491 is 194348301.

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

It is a cyclic number.

It is not a de Polignac number, because 103843491 - 2¹ = 103843489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103843499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17307246 + ... + 17307251.

It is an arithmetic number, because the mean of its divisors is an integer number (34614498).

Almost surely, 2^103843491 is an apocalyptic number.

103843491 is a deficient number, since it is larger than the sum of its proper divisors (34614501).

103843491 is an equidigital number, since it uses as much as digits as its factorization.

103843491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34614500.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 103843491 is about 10190.3626530168. The cubic root of 103843491 is about 470.0309184429.

The spelling of 103843491 in words is "one hundred three million, eight hundred forty-three thousand, four hundred ninety-one".