950809 has 2 divisors, whose sum is σ = 950810. Its totient is φ = 950808.

The previous prime is 950791. The next prime is 950813. The reversal of 950809 is 908059.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 265225 = 828^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 950809 - 2⁷ = 950681 is a prime.

It is a Chen prime.

950809 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (950819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475404 + 475405.

It is an arithmetic number, because the mean of its divisors is an integer number (475405).

2⁹⁵⁰⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

950809 is a deficient number, since it is larger than the sum of its proper divisors (1).

950809 is an equidigital number, since it uses as much as digits as its factorization.

950809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 950809 is about 975.0943544088. The cubic root of 950809 is about 98.3326540858.

The spelling of 950809 in words is "nine hundred fifty thousand, eight hundred nine".