948538889 has 4 divisors (see below), whose sum is σ = 948613380. Its totient is φ = 948464400.

The previous prime is 948538853. The next prime is 948538897. The reversal of 948538889 is 988835849.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 988835849 = 23 ⋅42992863.

It can be written as a sum of positive squares in 2 ways, for example, as 427786489 + 520752400 = 20683^2 + 22820^2 .

It is a cyclic number.

It is not a de Polignac number, because 948538889 - 2¹⁶ = 948473353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948538189) 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, 12794 + ... + 45395.

It is an arithmetic number, because the mean of its divisors is an integer number (237153345).

Almost surely, 2^948538889 is an apocalyptic number.

It is an amenable number.

948538889 is a deficient number, since it is larger than the sum of its proper divisors (74491).

948538889 is a wasteful number, since it uses less digits than its factorization.

948538889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74490.

The product of its digits is 19906560, while the sum is 62.

The square root of 948538889 is about 30798.3585439224. The cubic root of 948538889 is about 982.5433343787.

The spelling of 948538889 in words is "nine hundred forty-eight million, five hundred thirty-eight thousand, eight hundred eighty-nine".