6427898 has 16 divisors (see below), whose sum is σ = 10112256. Its totient is φ = 3060960.

The previous prime is 6427891. The next prime is 6427907. The reversal of 6427898 is 8987246.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6427891) 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 in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^6427898 is an apocalyptic number.

6427898 is a deficient number, since it is larger than the sum of its proper divisors (3684358).

6427898 is a wasteful number, since it uses less digits than its factorization.

6427898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its digits is 193536, while the sum is 44.

The square root of 6427898 is about 2535.3299588022. The cubic root of 6427898 is about 185.9329353162.

The spelling of 6427898 in words is "six million, four hundred twenty-seven thousand, eight hundred ninety-eight".