2026819 has 2 divisors, whose sum is σ = 2026820. Its totient is φ = 2026818.

The previous prime is 2026813. The next prime is 2026831. The reversal of 2026819 is 9186202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2026819 - 2¹⁵ = 1994051 is a prime.

It is a super-2 number, since 2×2026819² = 8215990517522, which contains 22 as substring.

It is a Chen prime.

It is equal to p₁₅₀₇₉₆ and since 2026819 and 150796 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2026813) 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 as a sum of consecutive naturals, namely, 1013409 + 1013410.

It is an arithmetic number, because the mean of its divisors is an integer number (1013410).

2^2026819 is an apocalyptic number.

2026819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026819 is an equidigital number, since it uses as much as digits as its factorization.

2026819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2026819 is about 1423.6639350633. The cubic root of 2026819 is about 126.5527700390.

It can be divided in two parts, 202 and 6819, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 2026819 in words is "two million, twenty-six thousand, eight hundred nineteen".