8493905 has 24 divisors (see below), whose sum is σ = 12190248. Its totient is φ = 5660928.

The previous prime is 8493899. The next prime is 8493913. The reversal of 8493905 is 5093948.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 7879249 = 784^2 + 2807^2 .

It is not a de Polignac number, because 8493905 - 2⁶ = 8493841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8597 + ... + 9533.

It is an arithmetic number, because the mean of its divisors is an integer number (507927).

Almost surely, 2^8493905 is an apocalyptic number.

It is an amenable number.

8493905 is a deficient number, since it is larger than the sum of its proper divisors (3696343).

8493905 is a wasteful number, since it uses less digits than its factorization.

8493905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 8493905 is about 2914.4304760965. The cubic root of 8493905 is about 204.0339636518.

The spelling of 8493905 in words is "eight million, four hundred ninety-three thousand, nine hundred five".