6428662 has 16 divisors (see below), whose sum is σ = 10036800. Its totient is φ = 3084480.

The previous prime is 6428651. The next prime is 6428671. The reversal of 6428662 is 2668246.

It is a super-2 number, since 2×6428662² = 82655390220488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 15514 + ... + 15922.

It is an arithmetic number, because the mean of its divisors is an integer number (627300).

Almost surely, 2^6428662 is an apocalyptic number.

6428662 is a deficient number, since it is larger than the sum of its proper divisors (3608138).

6428662 is a wasteful number, since it uses less digits than its factorization.

6428662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 27648, while the sum is 34.

The square root of 6428662 is about 2535.4806250492. The cubic root of 6428662 is about 185.9403014949.

The spelling of 6428662 in words is "six million, four hundred twenty-eight thousand, six hundred sixty-two".