2878019 has 4 divisors (see below), whose sum is σ = 2883744. Its totient is φ = 2872296.

The previous prime is 2878003. The next prime is 2878021. The reversal of 2878019 is 9108782.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2878019 - 2⁴ = 2878003 is a prime.

It is a super-2 number, since 2×2878019² = 16565986728722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2878019.

It is not an unprimeable number, because it can be changed into a prime (2878039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (720936).

2^2878019 is an apocalyptic number.

2878019 is a deficient number, since it is larger than the sum of its proper divisors (5725).

2878019 is an equidigital number, since it uses as much as digits as its factorization.

2878019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2878019 is about 1696.4725167240. The cubic root of 2878019 is about 142.2431033749.

The spelling of 2878019 in words is "two million, eight hundred seventy-eight thousand, nineteen".