6446467 has 4 divisors (see below), whose sum is σ = 6461856. Its totient is φ = 6431080.

The previous prime is 6446459. The next prime is 6446477. The reversal of 6446467 is 7646446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7646446 = 2 ⋅3823223.

It is a cyclic number.

It is not a de Polignac number, because 6446467 - 2³ = 6446459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6446437) 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, 7048 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (1615464).

Almost surely, 2^6446467 is an apocalyptic number.

6446467 is a deficient number, since it is larger than the sum of its proper divisors (15389).

6446467 is a wasteful number, since it uses less digits than its factorization.

6446467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15388.

The product of its digits is 96768, while the sum is 37.

The square root of 6446467 is about 2538.9893658698. The cubic root of 6446467 is about 186.1118050583. Note that the first 3 decimals are identical.

The spelling of 6446467 in words is "six million, four hundred forty-six thousand, four hundred sixty-seven".