8491060 has 24 divisors (see below), whose sum is σ = 17889480. Its totient is φ = 3385344.

The previous prime is 8491051. The next prime is 8491061. The reversal of 8491060 is 601948.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 8145316 = 588^2 + 2854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8491061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8676 + ... + 9604.

It is an arithmetic number, because the mean of its divisors is an integer number (745395).

Almost surely, 2^8491060 is an apocalyptic number.

It is an amenable number.

8491060 is an abundant number, since it is smaller than the sum of its proper divisors (9398420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8491060 is a wasteful number, since it uses less digits than its factorization.

8491060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8491060 is about 2913.9423467186. The cubic root of 8491060 is about 204.0111809840.

The spelling of 8491060 in words is "eight million, four hundred ninety-one thousand, sixty".