6444454 has 8 divisors (see below), whose sum is σ = 9701928. Its totient is φ = 3210480.

The previous prime is 6444443. The next prime is 6444481. The reversal of 6444454 is 4544446.

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

It is a congruent number.

It is an unprimeable number.

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, 5172 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (1212741).

Almost surely, 2^6444454 is an apocalyptic number.

6444454 is a deficient number, since it is larger than the sum of its proper divisors (3257474).

6444454 is a wasteful number, since it uses less digits than its factorization.

6444454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750.

The product of its digits is 30720, while the sum is 31.

The square root of 6444454 is about 2538.5929173461. The cubic root of 6444454 is about 186.0924310319.

The spelling of 6444454 in words is "six million, four hundred forty-four thousand, four hundred fifty-four".