6228638 has 16 divisors (see below), whose sum is σ = 10308816. Its totient is φ = 2804160.

The previous prime is 6228631. The next prime is 6228659. The reversal of 6228638 is 8368226.

It is a junction number, because it is equal to n+sod(n) for n = 6228598 and 6228607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228631) 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 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (644301).

Almost surely, 2^6228638 is an apocalyptic number.

6228638 is a deficient number, since it is larger than the sum of its proper divisors (4080178).

6228638 is a wasteful number, since it uses less digits than its factorization.

6228638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899.

The product of its digits is 27648, while the sum is 35.

The square root of 6228638 is about 2495.7239430674. The cubic root of 6228638 is about 183.9914732974.

The spelling of 6228638 in words is "six million, two hundred twenty-eight thousand, six hundred thirty-eight".