948906505 has 4 divisors (see below), whose sum is σ = 1138687812. Its totient is φ = 759125200.

The previous prime is 948906503. The next prime is 948906509. The reversal of 948906505 is 505609849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505609849 = 271 ⋅1865719.

It can be written as a sum of positive squares in 2 ways, for example, as 168039369 + 780867136 = 12963^2 + 27944^2 .

It is not a de Polignac number, because 948906505 - 2¹ = 948906503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948906503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94890646 + ... + 94890655.

It is an arithmetic number, because the mean of its divisors is an integer number (284671953).

Almost surely, 2^948906505 is an apocalyptic number.

It is an amenable number.

948906505 is a deficient number, since it is larger than the sum of its proper divisors (189781307).

948906505 is a wasteful number, since it uses less digits than its factorization.

948906505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189781306.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 948906505 is about 30804.3260760563. The cubic root of 948906505 is about 982.6702495752.

The spelling of 948906505 in words is "nine hundred forty-eight million, nine hundred six thousand, five hundred five".