6428127 has 16 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 4169760.

The previous prime is 6428117. The next prime is 6428131. The reversal of 6428127 is 7218246.

It is not a de Polignac number, because 6428127 - 2¹² = 6424031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6428094 and 6428103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428117) 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 15 ways as a sum of consecutive naturals, for example, 21793 + ... + 22085.

It is an arithmetic number, because the mean of its divisors is an integer number (550368).

Almost surely, 2^6428127 is an apocalyptic number.

6428127 is a deficient number, since it is larger than the sum of its proper divisors (2377761).

6428127 is a wasteful number, since it uses less digits than its factorization.

6428127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its digits is 5376, while the sum is 30.

The square root of 6428127 is about 2535.3751201745. The cubic root of 6428127 is about 185.9351433028.

It can be divided in two parts, 6428 and 127, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 6428127 in words is "six million, four hundred twenty-eight thousand, one hundred twenty-seven".