648910104 has 64 divisors (see below), whose sum is σ = 1678371840. Its totient is φ = 208855680.

The previous prime is 648910103. The next prime is 648910117. The reversal of 648910104 is 401019846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648910103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507514 + ... + 508790.

It is an arithmetic number, because the mean of its divisors is an integer number (26224560).

Almost surely, 2^648910104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648910104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839185920).

648910104 is an abundant number, since it is smaller than the sum of its proper divisors (1029461736).

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

648910104 is a wasteful number, since it uses less digits than its factorization.

648910104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 648910104 is about 25473.7139812788. The cubic root of 648910104 is about 865.7546752325.

The spelling of 648910104 in words is "six hundred forty-eight million, nine hundred ten thousand, one hundred four".