650000648 has 32 divisors (see below), whose sum is σ = 1331134560. Its totient is φ = 295102080.

The previous prime is 650000641. The next prime is 650000651. The reversal of 650000648 is 846000056.

It is a self number, because there is not a number n which added to its sum of digits gives 650000648.

It is not an unprimeable number, because it can be changed into a prime (650000641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78515 + ... + 86397.

It is an arithmetic number, because the mean of its divisors is an integer number (41597955).

Almost surely, 2^650000648 is an apocalyptic number.

It is an amenable number.

650000648 is an abundant number, since it is smaller than the sum of its proper divisors (681133912).

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

650000648 is a wasteful number, since it uses less digits than its factorization.

650000648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837 (or 8833 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 650000648 is about 25495.1102762863. The cubic root of 650000648 is about 866.2393931987.

The spelling of 650000648 in words is "six hundred fifty million, six hundred forty-eight", and thus it is an aban number.