6366447 has 6 divisors (see below), whose sum is σ = 9195992. Its totient is φ = 4244292.

The previous prime is 6366433. The next prime is 6366461. The reversal of 6366447 is 7446636.

6366447 is a `hidden beast` number, since 6 + 3 + 6 + 644 + 7 = 666.

6366447 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6366433) and next prime (6366461).

It is not a de Polignac number, because 6366447 - 2⁷ = 6366319 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 (6366487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353683 + ... + 353700.

Almost surely, 2^6366447 is an apocalyptic number.

6366447 is a deficient number, since it is larger than the sum of its proper divisors (2829545).

6366447 is a wasteful number, since it uses less digits than its factorization.

6366447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707389 (or 707386 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 6366447 is about 2523.1819197196. The cubic root of 6366447 is about 185.3385279528.

The spelling of 6366447 in words is "six million, three hundred sixty-six thousand, four hundred forty-seven".