650038705 has 16 divisors (see below), whose sum is σ = 789202944. Its totient is φ = 513959040.

The previous prime is 650038699. The next prime is 650038709. The reversal of 650038705 is 507830056.

It is a happy number.

It is not a de Polignac number, because 650038705 - 2²⁵ = 616484273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650038709) 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, 176614 + ... + 180256.

It is an arithmetic number, because the mean of its divisors is an integer number (49325184).

Almost surely, 2^650038705 is an apocalyptic number.

It is an amenable number.

650038705 is a deficient number, since it is larger than the sum of its proper divisors (139164239).

650038705 is a wasteful number, since it uses less digits than its factorization.

650038705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 650038705 is about 25495.8566241654. The cubic root of 650038705 is about 866.2562987353.

The spelling of 650038705 in words is "six hundred fifty million, thirty-eight thousand, seven hundred five".