6421484 has 12 divisors (see below), whose sum is σ = 11306064. Its totient is φ = 3191184.

The previous prime is 6421477. The next prime is 6421507. The reversal of 6421484 is 4841246.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4139 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (942172).

Almost surely, 2^6421484 is an apocalyptic number.

It is an amenable number.

6421484 is a deficient number, since it is larger than the sum of its proper divisors (4884580).

6421484 is a wasteful number, since it uses less digits than its factorization.

6421484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9784 (or 9782 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 6421484 is about 2534.0647189841. The cubic root of 6421484 is about 185.8710710939.

The spelling of 6421484 in words is "six million, four hundred twenty-one thousand, four hundred eighty-four".