650342986 has 16 divisors (see below), whose sum is σ = 1050766848. Its totient is φ = 300999600.

The previous prime is 650342983. The next prime is 650342989. The reversal of 650342986 is 689243056.

It is an interprime number because it is at equal distance from previous prime (650342983) and next prime (650342989).

It is not an unprimeable number, because it can be changed into a prime (650342983) 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, 226605 + ... + 229456.

It is an arithmetic number, because the mean of its divisors is an integer number (65672928).

Almost surely, 2^650342986 is an apocalyptic number.

650342986 is a deficient number, since it is larger than the sum of its proper divisors (400423862).

650342986 is a wasteful number, since it uses less digits than its factorization.

650342986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456117.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 650342986 is about 25501.8231897251. The cubic root of 650342986 is about 866.3914415679.

The spelling of 650342986 in words is "six hundred fifty million, three hundred forty-two thousand, nine hundred eighty-six".