6422984 has 8 divisors (see below), whose sum is σ = 12043110. Its totient is φ = 3211488.

The previous prime is 6422981. The next prime is 6422989. The reversal of 6422984 is 4892246.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 62500 = 2522^2 + 250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6422981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401429 + ... + 401444.

Almost surely, 2^6422984 is an apocalyptic number.

It is an amenable number.

6422984 is a deficient number, since it is larger than the sum of its proper divisors (5620126).

6422984 is a wasteful number, since it uses less digits than its factorization.

6422984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802879 (or 802875 counting only the distinct ones).

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

The square root of 6422984 is about 2534.3606688867. The cubic root of 6422984 is about 185.8855425619.

The spelling of 6422984 in words is "six million, four hundred twenty-two thousand, nine hundred eighty-four".