647404104 has 32 divisors (see below), whose sum is σ = 1657988640. Its totient is φ = 210537600.

The previous prime is 647404099. The next prime is 647404129. The reversal of 647404104 is 401404746.

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 7 ways as a sum of consecutive naturals, for example, 327982 + ... + 329949.

It is an arithmetic number, because the mean of its divisors is an integer number (51812145).

Almost surely, 2^647404104 is an apocalyptic number.

It is an amenable number.

647404104 is an abundant number, since it is smaller than the sum of its proper divisors (1010584536).

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

647404104 is a wasteful number, since it uses less digits than its factorization.

647404104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657981 (or 657977 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 647404104 is about 25444.1369277875. The cubic root of 647404104 is about 865.0844044293.

The spelling of 647404104 in words is "six hundred forty-seven million, four hundred four thousand, one hundred four".