8948557 has 4 divisors (see below), whose sum is σ = 8955036. Its totient is φ = 8942080.

The previous prime is 8948549. The next prime is 8948581. The reversal of 8948557 is 7558498.

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: 7558498 = 2 ⋅3779249.

It can be written as a sum of positive squares in 2 ways, for example, as 3048516 + 5900041 = 1746^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 8948557 - 2³ = 8948549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8948507) 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, 244 + ... + 4237.

It is an arithmetic number, because the mean of its divisors is an integer number (2238759).

Almost surely, 2^8948557 is an apocalyptic number.

It is an amenable number.

8948557 is a deficient number, since it is larger than the sum of its proper divisors (6479).

8948557 is a wasteful number, since it uses less digits than its factorization.

8948557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478.

The product of its digits is 403200, while the sum is 46.

The square root of 8948557 is about 2991.4138797565. The cubic root of 8948557 is about 207.6113071953.

The spelling of 8948557 in words is "eight million, nine hundred forty-eight thousand, five hundred fifty-seven".