2006919 has 6 divisors (see below), whose sum is σ = 2898896. Its totient is φ = 1337940.

The previous prime is 2006903. The next prime is 2006923. The reversal of 2006919 is 9196002.

It is a happy number.

It is not a de Polignac number, because 2006919 - 2⁴ = 2006903 is a prime.

It is a super-2 number, since 2×2006919² = 8055447745122, which contains 22 as substring.

It is a Duffinian number.

2006919 is a lucky number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2006892 and 2006901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111487 + ... + 111504.

2^2006919 is an apocalyptic number.

2006919 is a deficient number, since it is larger than the sum of its proper divisors (891977).

2006919 is a wasteful number, since it uses less digits than its factorization.

2006919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222997 (or 222994 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2006919 is about 1416.6576862460. The cubic root of 2006919 is about 126.1372276630.

The spelling of 2006919 in words is "two million, six thousand, nine hundred nineteen".