650389792 has 96 divisors (see below), whose sum is σ = 1428755328. Its totient is φ = 289529856.

The previous prime is 650389781. The next prime is 650389793. The reversal of 650389792 is 297983056.

It is not an unprimeable number, because it can be changed into a prime (650389793) 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, 1842288 + ... + 1842640.

It is an arithmetic number, because the mean of its divisors is an integer number (14882868).

Almost surely, 2^650389792 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 650389792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714377664).

650389792 is an abundant number, since it is smaller than the sum of its proper divisors (778365536).

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

650389792 is a wasteful number, since it uses less digits than its factorization.

650389792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 650389792 is about 25502.7408723063. The cubic root of 650389792 is about 866.4122261620.

The spelling of 650389792 in words is "six hundred fifty million, three hundred eighty-nine thousand, seven hundred ninety-two".