8103819 has 8 divisors (see below), whose sum is σ = 10847232. Its totient is φ = 5381480.

The previous prime is 8103817. The next prime is 8103841. The reversal of 8103819 is 9183018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8103819 - 2¹ = 8103817 is a prime.

It is a super-2 number, since 2×8103819² = 131343764769522, which contains 22 as substring.

8103819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8103811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (1355904).

Almost surely, 2^8103819 is an apocalyptic number.

8103819 is a deficient number, since it is larger than the sum of its proper divisors (2743413).

8103819 is a wasteful number, since it uses less digits than its factorization.

8103819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 8103819 is about 2846.7207449977. The cubic root of 8103819 is about 200.8614425895.

The spelling of 8103819 in words is "eight million, one hundred three thousand, eight hundred nineteen".