4287919 has 2 divisors, whose sum is σ = 4287920. Its totient is φ = 4287918.

The previous prime is 4287887. The next prime is 4287923. The reversal of 4287919 is 9197824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4287919 - 2⁵ = 4287887 is a prime.

It is a super-2 number, since 2×4287919² = 36772498701122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4287949) 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 as a sum of consecutive naturals, namely, 2143959 + 2143960.

It is an arithmetic number, because the mean of its divisors is an integer number (2143960).

Almost surely, 2^4287919 is an apocalyptic number.

4287919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4287919 is an equidigital number, since it uses as much as digits as its factorization.

4287919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 4287919 is about 2070.7290986510. The cubic root of 4287919 is about 162.4609010468.

The spelling of 4287919 in words is "four million, two hundred eighty-seven thousand, nine hundred nineteen".