18379103 has 4 divisors (see below), whose sum is σ = 18806568. Its totient is φ = 17951640.

The previous prime is 18379079. The next prime is 18379147. The reversal of 18379103 is 30197381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30197381 = 29 ⋅1041289.

It is not a de Polignac number, because 18379103 - 2¹⁰ = 18378079 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 18379103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18379003) 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, 213668 + ... + 213753.

It is an arithmetic number, because the mean of its divisors is an integer number (4701642).

Almost surely, 2^18379103 is an apocalyptic number.

18379103 is a deficient number, since it is larger than the sum of its proper divisors (427465).

18379103 is an equidigital number, since it uses as much as digits as its factorization.

18379103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427464.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 18379103 is about 4287.0856067963. The cubic root of 18379103 is about 263.9012438627.

The spelling of 18379103 in words is "eighteen million, three hundred seventy-nine thousand, one hundred three".