6447601 has 4 divisors (see below), whose sum is σ = 6584832. Its totient is φ = 6310372.

The previous prime is 6447577. The next prime is 6447629. The reversal of 6447601 is 1067446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1067446 = 2 ⋅533723.

It is a cyclic number.

It is not a de Polignac number, because 6447601 - 2⁵ = 6447569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6447601.

It is not an unprimeable number, because it can be changed into a prime (6447671) by changing a digit.

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, 68545 + ... + 68638.

It is an arithmetic number, because the mean of its divisors is an integer number (1646208).

Almost surely, 2^6447601 is an apocalyptic number.

It is an amenable number.

6447601 is a deficient number, since it is larger than the sum of its proper divisors (137231).

6447601 is a wasteful number, since it uses less digits than its factorization.

6447601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137230.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6447601 is about 2539.2126732513. The cubic root of 6447601 is about 186.1227174135.

The spelling of 6447601 in words is "six million, four hundred forty-seven thousand, six hundred one".