650389068 has 96 divisors (see below), whose sum is σ = 1974174720. Its totient is φ = 181284480.

The previous prime is 650389063. The next prime is 650389073. The reversal of 650389068 is 860983056.

650389068 is a `hidden beast` number, since 6 + 503 + 89 + 0 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (650389063) and next prime (650389073).

It is not an unprimeable number, because it can be changed into a prime (650389063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20505 + ... + 41487.

It is an arithmetic number, because the mean of its divisors is an integer number (20564320).

Almost surely, 2^650389068 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 650389068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987087360).

650389068 is an abundant number, since it is smaller than the sum of its proper divisors (1323785652).

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

650389068 is a wasteful number, since it uses less digits than its factorization.

650389068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21044 (or 21036 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 650389068 is about 25502.7266777496. The cubic root of 650389068 is about 866.4119046714.

The spelling of 650389068 in words is "six hundred fifty million, three hundred eighty-nine thousand, sixty-eight".