648340896 has 48 divisors (see below), whose sum is σ = 1945024704. Its totient is φ = 185240064.

The previous prime is 648340871. The next prime is 648340921. The reversal of 648340896 is 698043846.

It is an interprime number because it is at equal distance from previous prime (648340871) and next prime (648340921).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 481725 + ... + 483068.

It is an arithmetic number, because the mean of its divisors is an integer number (40521348).

Almost surely, 2^648340896 is an apocalyptic number.

It is an amenable number.

648340896 is an abundant number, since it is smaller than the sum of its proper divisors (1296683808).

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

648340896 is a wasteful number, since it uses less digits than its factorization.

648340896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964813 (or 964805 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 648340896 is about 25462.5390721350. The cubic root of 648340896 is about 865.5014616038.

The spelling of 648340896 in words is "six hundred forty-eight million, three hundred forty thousand, eight hundred ninety-six".