948485921 has 4 divisors (see below), whose sum is σ = 948573744. Its totient is φ = 948398100.

The previous prime is 948485917. The next prime is 948485957. The reversal of 948485921 is 129584849.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 948485921 - 2² = 948485917 is a prime.

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 948485921.

It is not an unprimeable number, because it can be changed into a prime (948485221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24995 + ... + 50216.

It is an arithmetic number, because the mean of its divisors is an integer number (237143436).

Almost surely, 2^948485921 is an apocalyptic number.

It is an amenable number.

948485921 is a deficient number, since it is larger than the sum of its proper divisors (87823).

948485921 is a wasteful number, since it uses less digits than its factorization.

948485921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87822.

The product of its digits is 829440, while the sum is 50.

The square root of 948485921 is about 30797.4986159591. The cubic root of 948485921 is about 982.5250450832.

The spelling of 948485921 in words is "nine hundred forty-eight million, four hundred eighty-five thousand, nine hundred twenty-one".