2840019 has 32 divisors (see below), whose sum is σ = 4752384. Its totient is φ = 1468800.

The previous prime is 2839981. The next prime is 2840023. The reversal of 2840019 is 9100482.

It is not a de Polignac number, because 2840019 - 2¹⁶ = 2774483 is a prime.

It is a super-2 number, since 2×2840019² = 16131415840722, which contains 22 as substring.

2840019 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2840039) 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 31 ways as a sum of consecutive naturals, for example, 27522 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

2^2840019 is an apocalyptic number.

2840019 is a deficient number, since it is larger than the sum of its proper divisors (1912365).

2840019 is a wasteful number, since it uses less digits than its factorization.

2840019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2840019 is about 1685.2355918387. The cubic root of 2840019 is about 141.6142908268.

The spelling of 2840019 in words is "two million, eight hundred forty thousand, nineteen".