650442 has 32 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 192960.

The previous prime is 650413. The next prime is 650449. The reversal of 650442 is 244056.

It is a happy number.

650442 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (650449) by changing a digit.

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, 2284 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁶⁵⁰⁴⁴² is an apocalyptic number.

650442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a pronic number, being equal to 806×807.

It is a practical number, because each smaller number is the sum of distinct divisors of 650442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

650442 is an abundant number, since it is smaller than the sum of its proper divisors (801078).

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

650442 is a wasteful number, since it uses less digits than its factorization.

650442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 650442 is about 806.4998450093. The cubic root of 650442 is about 86.6435408383.

Adding to 650442 its reverse (244056), we get a palindrome (894498).

The spelling of 650442 in words is "six hundred fifty thousand, four hundred forty-two".