6644602 has 8 divisors (see below), whose sum is σ = 10288512. Its totient is φ = 3215100.

The previous prime is 6644587. The next prime is 6644621. The reversal of 6644602 is 2064466.

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

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 53524 + ... + 53647.

It is an arithmetic number, because the mean of its divisors is an integer number (1286064).

Almost surely, 2^6644602 is an apocalyptic number.

6644602 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6644602 is a deficient number, since it is larger than the sum of its proper divisors (3643910).

6644602 is a wasteful number, since it uses less digits than its factorization.

6644602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107204.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6644602 is about 2577.7125518568. The cubic root of 6644602 is about 187.9993398196. Note that the first 3 decimals are identical.

The spelling of 6644602 in words is "six million, six hundred forty-four thousand, six hundred two".