650386716 has 24 divisors (see below), whose sum is σ = 1734364800. Its totient is φ = 185824752.

The previous prime is 650386687. The next prime is 650386717. The reversal of 650386716 is 617683056.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650386717) by changing a digit.

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, 3871266 + ... + 3871433.

It is an arithmetic number, because the mean of its divisors is an integer number (72265200).

Almost surely, 2^650386716 is an apocalyptic number.

It is an amenable number.

650386716 is an abundant number, since it is smaller than the sum of its proper divisors (1083978084).

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

650386716 is a wasteful number, since it uses less digits than its factorization.

650386716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742713 (or 7742711 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 650386716 is about 25502.6805649916. The cubic root of 650386716 is about 866.4108602692.

The spelling of 650386716 in words is "six hundred fifty million, three hundred eighty-six thousand, seven hundred sixteen".