8541668 has 6 divisors (see below), whose sum is σ = 14947926. Its totient is φ = 4270832.

The previous prime is 8541587. The next prime is 8541679. The reversal of 8541668 is 8661458.

It can be written as a sum of positive squares in only one way, i.e., 7661824 + 879844 = 2768^2 + 938^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067705 + ... + 1067712.

It is an arithmetic number, because the mean of its divisors is an integer number (2491321).

Almost surely, 2^8541668 is an apocalyptic number.

It is an amenable number.

8541668 is a deficient number, since it is larger than the sum of its proper divisors (6406258).

8541668 is a wasteful number, since it uses less digits than its factorization.

8541668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135421 (or 2135419 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 8541668 is about 2922.6132142314. The cubic root of 8541668 is about 204.4156908820.

The spelling of 8541668 in words is "eight million, five hundred forty-one thousand, six hundred sixty-eight".