948809831 has 6 divisors (see below), whose sum is σ = 1007905560. Its totient is φ = 892997216.

The previous prime is 948809779. The next prime is 948809837. The reversal of 948809831 is 138908849.

948809831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 948809831 - 2¹⁰ = 948808807 is a prime.

It is a super-2 number, since 2×948809831² = 1800480190804497122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 948809831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948809837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1641251 + ... + 1641828.

It is an arithmetic number, because the mean of its divisors is an integer number (167984260).

Almost surely, 2^948809831 is an apocalyptic number.

948809831 is a deficient number, since it is larger than the sum of its proper divisors (59095729).

948809831 is a wasteful number, since it uses less digits than its factorization.

948809831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283113 (or 3283096 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 948809831 is about 30802.7568733709. The cubic root of 948809831 is about 982.6368771655.

The spelling of 948809831 in words is "nine hundred forty-eight million, eight hundred nine thousand, eight hundred thirty-one".