809530950 has 48 divisors (see below), whose sum is σ = 2009402640. Its totient is φ = 215685120.

The previous prime is 809530949. The next prime is 809530951. The reversal of 809530950 is 59035908.

It is an interprime number because it is at equal distance from previous prime (809530949) and next prime (809530951).

It is a junction number, because it is equal to n+sod(n) for n = 809530899 and 809530908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809530951) 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 23 ways as a sum of consecutive naturals, for example, 281922 + ... + 284778.

It is an arithmetic number, because the mean of its divisors is an integer number (41862555).

Almost surely, 2^809530950 is an apocalyptic number.

809530950 is an abundant number, since it is smaller than the sum of its proper divisors (1199871690).

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

809530950 is a wasteful number, since it uses less digits than its factorization.

809530950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4756 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 809530950 is about 28452.2573796878. The cubic root of 809530950 is about 931.9897852651.

The spelling of 809530950 in words is "eight hundred nine million, five hundred thirty thousand, nine hundred fifty".