6455447 has 8 divisors (see below), whose sum is σ = 6634992. Its totient is φ = 6278400.

The previous prime is 6455443. The next prime is 6455467. The reversal of 6455447 is 7445546.

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

It is a cyclic number.

It is not a de Polignac number, because 6455447 - 2² = 6455443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5372 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (829374).

Almost surely, 2^6455447 is an apocalyptic number.

6455447 is a deficient number, since it is larger than the sum of its proper divisors (179545).

6455447 is a wasteful number, since it uses less digits than its factorization.

6455447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its digits is 67200, while the sum is 35.

The square root of 6455447 is about 2540.7571706088. The cubic root of 6455447 is about 186.1981835646.

Subtracting 6455447 from its reverse (7445546), we obtain a palindrome (990099).

The spelling of 6455447 in words is "six million, four hundred fifty-five thousand, four hundred forty-seven".