6421802 has 8 divisors (see below), whose sum is σ = 9683712. Its totient is φ = 3193900.

The previous prime is 6421799. The next prime is 6421817. The reversal of 6421802 is 2081246.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 8024 + ... + 8787.

It is an arithmetic number, because the mean of its divisors is an integer number (1210464).

Almost surely, 2^6421802 is an apocalyptic number.

6421802 is a deficient number, since it is larger than the sum of its proper divisors (3261910).

6421802 is a wasteful number, since it uses less digits than its factorization.

6421802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6421802 is about 2534.1274632504. The cubic root of 6421802 is about 185.8741392334.

The spelling of 6421802 in words is "six million, four hundred twenty-one thousand, eight hundred two".