6446451 has 16 divisors (see below), whose sum is σ = 9929088. Its totient is φ = 3676800.

The previous prime is 6446437. The next prime is 6446459. The reversal of 6446451 is 1546446.

It is not a de Polignac number, because 6446451 - 2⁶ = 6446387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6446459) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 6306.

It is an arithmetic number, because the mean of its divisors is an integer number (620568).

Almost surely, 2^6446451 is an apocalyptic number.

6446451 is a deficient number, since it is larger than the sum of its proper divisors (3482637).

6446451 is a wasteful number, since it uses less digits than its factorization.

6446451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522.

The product of its digits is 11520, while the sum is 30.

The square root of 6446451 is about 2538.9862150079. The cubic root of 6446451 is about 186.1116510830. Note that the first 3 decimals are identical.

The spelling of 6446451 in words is "six million, four hundred forty-six thousand, four hundred fifty-one".