650342 has 32 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 244800.

The previous prime is 650329. The next prime is 650347. The reversal of 650342 is 243056.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 650342.

It is not an unprimeable number, because it can be changed into a prime (650347) by changing a digit.

650342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6263 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁶⁵⁰³⁴² is an apocalyptic number.

650342 is a deficient number, since it is larger than the sum of its proper divisors (607642).

650342 is a wasteful number, since it uses less digits than its factorization.

650342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 650342 is about 806.4378463341. The cubic root of 650342 is about 86.6391003716.

Adding to 650342 its reverse (243056), we get a palindrome (893398).

The spelling of 650342 in words is "six hundred fifty thousand, three hundred forty-two".