948367209 has 4 divisors (see below), whose sum is σ = 1264489616. Its totient is φ = 632244804.

The previous prime is 948367207. The next prime is 948367229. The reversal of 948367209 is 902763849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 948367209 - 2¹ = 948367207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948367201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158061199 + ... + 158061204.

It is an arithmetic number, because the mean of its divisors is an integer number (316122404).

Almost surely, 2^948367209 is an apocalyptic number.

It is an amenable number.

948367209 is a deficient number, since it is larger than the sum of its proper divisors (316122407).

948367209 is a wasteful number, since it uses less digits than its factorization.

948367209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316122406.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 948367209 is about 30795.5712562700. The cubic root of 948367209 is about 982.4840526000.

The spelling of 948367209 in words is "nine hundred forty-eight million, three hundred sixty-seven thousand, two hundred nine".