4855919 has 2 divisors, whose sum is σ = 4855920. Its totient is φ = 4855918.

The previous prime is 4855901. The next prime is 4855951. The reversal of 4855919 is 9195584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4855919 is a prime.

It is a super-2 number, since 2×4855919² = 47159898669122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4855219) 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, 2427959 + 2427960.

It is an arithmetic number, because the mean of its divisors is an integer number (2427960).

Almost surely, 2^4855919 is an apocalyptic number.

4855919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4855919 is an equidigital number, since it uses as much as digits as its factorization.

4855919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 41.

The square root of 4855919 is about 2203.6149845198. The cubic root of 4855919 is about 169.3390599706.

The spelling of 4855919 in words is "four million, eight hundred fifty-five thousand, nine hundred nineteen".