6428419 has 2 divisors, whose sum is σ = 6428420. Its totient is φ = 6428418.

The previous prime is 6428407. The next prime is 6428447. The reversal of 6428419 is 9148246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6428419 - 2⁷ = 6428291 is a prime.

It is a super-2 number, since 2×6428419² = 82649141679122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6428489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214209 + 3214210.

It is an arithmetic number, because the mean of its divisors is an integer number (3214210).

Almost surely, 2^6428419 is an apocalyptic number.

6428419 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428419 is an equidigital number, since it uses as much as digits as its factorization.

6428419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 6428419 is about 2535.4327046877. The cubic root of 6428419 is about 185.9379586506.

The spelling of 6428419 in words is "six million, four hundred twenty-eight thousand, four hundred nineteen".