2878913 has 4 divisors (see below), whose sum is σ = 2896320. Its totient is φ = 2861508.

The previous prime is 2878903. The next prime is 2878919. The reversal of 2878913 is 3198782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2878913 - 2⁶ = 2878849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2878919) 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 3 ways as a sum of consecutive naturals, for example, 8453 + ... + 8786.

It is an arithmetic number, because the mean of its divisors is an integer number (724080).

2^2878913 is an apocalyptic number.

It is an amenable number.

2878913 is a deficient number, since it is larger than the sum of its proper divisors (17407).

2878913 is a wasteful number, since it uses less digits than its factorization.

2878913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406.

The product of its digits is 24192, while the sum is 38.

The square root of 2878913 is about 1696.7359841767. The cubic root of 2878913 is about 142.2578301909.

The spelling of 2878913 in words is "two million, eight hundred seventy-eight thousand, nine hundred thirteen".