948423865 has 4 divisors (see below), whose sum is σ = 1138108644. Its totient is φ = 758739088.

The previous prime is 948423841. The next prime is 948423871. The reversal of 948423865 is 568324849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568324849 = 887 ⋅640727.

It can be written as a sum of positive squares in 2 ways, for example, as 224760064 + 723663801 = 14992^2 + 26901^2 .

It is a cyclic number.

It is not a de Polignac number, because 948423865 - 2¹³ = 948415673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94842382 + ... + 94842391.

It is an arithmetic number, because the mean of its divisors is an integer number (284527161).

Almost surely, 2^948423865 is an apocalyptic number.

It is an amenable number.

948423865 is a deficient number, since it is larger than the sum of its proper divisors (189684779).

948423865 is a wasteful number, since it uses less digits than its factorization.

948423865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189684778.

The product of its digits is 1658880, while the sum is 49.

The square root of 948423865 is about 30796.4911150605. The cubic root of 948423865 is about 982.5036169304.

The spelling of 948423865 in words is "nine hundred forty-eight million, four hundred twenty-three thousand, eight hundred sixty-five".