2018819 has 8 divisors (see below), whose sum is σ = 2214912. Its totient is φ = 1824840.

The previous prime is 2018773. The next prime is 2018827. The reversal of 2018819 is 9188102.

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 2018819 - 2¹² = 2014723 is a prime.

It is a super-2 number, since 2×2018819² = 8151260309522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2018791 and 2018800.

It is not an unprimeable number, because it can be changed into a prime (2018899) 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 7 ways as a sum of consecutive naturals, for example, 2042 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (276864).

2^2018819 is an apocalyptic number.

2018819 is a deficient number, since it is larger than the sum of its proper divisors (196093).

2018819 is a wasteful number, since it uses less digits than its factorization.

2018819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 2018819 is about 1420.8515052601. The cubic root of 2018819 is about 126.3860462017.

The spelling of 2018819 in words is "two million, eighteen thousand, eight hundred nineteen".