6433628 has 12 divisors (see below), whose sum is σ = 11851560. Its totient is φ = 3047472.

The previous prime is 6433619. The next prime is 6433631. The reversal of 6433628 is 8263346.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6433594 and 6433603.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42251 + ... + 42402.

It is an arithmetic number, because the mean of its divisors is an integer number (987630).

Almost surely, 2^6433628 is an apocalyptic number.

It is an amenable number.

6433628 is a deficient number, since it is larger than the sum of its proper divisors (5417932).

6433628 is a wasteful number, since it uses less digits than its factorization.

6433628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84676 (or 84674 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 6433628 is about 2536.4597375082. The cubic root of 6433628 is about 185.9881674363.

The spelling of 6433628 in words is "six million, four hundred thirty-three thousand, six hundred twenty-eight".