6447002 has 4 divisors (see below), whose sum is σ = 9670506. Its totient is φ = 3223500.

The previous prime is 6446987. The next prime is 6447017. The reversal of 6447002 is 2007446.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6446987) and next prime (6447017).

It can be written as a sum of positive squares in only one way, i.e., 4289041 + 2157961 = 2071^2 + 1469^2 .

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 as a sum of consecutive naturals, namely, 1611749 + ... + 1611752.

Almost surely, 2^6447002 is an apocalyptic number.

6447002 is a deficient number, since it is larger than the sum of its proper divisors (3223504).

6447002 is a wasteful number, since it uses less digits than its factorization.

6447002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223503.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 6447002 is about 2539.0947205648. The cubic root of 6447002 is about 186.1169534630.

The spelling of 6447002 in words is "six million, four hundred forty-seven thousand, two".