6644454 has 8 divisors (see below), whose sum is σ = 13288920. Its totient is φ = 2214816.

The previous prime is 6644441. The next prime is 6644459. The reversal of 6644454 is 4544466.

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

6644454 is an admirable number.

It is a super-3 number, since 3×6644454³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6644459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553699 + ... + 553710.

It is an arithmetic number, because the mean of its divisors is an integer number (1661115).

Almost surely, 2^6644454 is an apocalyptic number.

6644454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6644454 is a wasteful number, since it uses less digits than its factorization.

6644454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107414.

The product of its digits is 46080, while the sum is 33.

The square root of 6644454 is about 2577.6838440740. The cubic root of 6644454 is about 187.9979439944.

The spelling of 6644454 in words is "six million, six hundred forty-four thousand, four hundred fifty-four".