4878919 has 2 divisors, whose sum is σ = 4878920. Its totient is φ = 4878918.

The previous prime is 4878893. The next prime is 4878941. The reversal of 4878919 is 9198784.

4878919 = T₁₈₀₂ + T₁₈₀₃ + T₁₈₀₄.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4878919 - 2⁷ = 4878791 is a prime.

It is a super-2 number, since 2×4878919² = 47607701217122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4878019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439459 + 2439460.

It is an arithmetic number, because the mean of its divisors is an integer number (2439460).

Almost surely, 2^4878919 is an apocalyptic number.

4878919 is the 1804-th centered triangular number.

4878919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878919 is an equidigital number, since it uses as much as digits as its factorization.

4878919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 46.

The square root of 4878919 is about 2208.8275170325. The cubic root of 4878919 is about 169.6059964171.

The spelling of 4878919 in words is "four million, eight hundred seventy-eight thousand, nine hundred nineteen".