8491494 has 16 divisors (see below), whose sum is σ = 18527040. Its totient is φ = 2573160.

The previous prime is 8491487. The next prime is 8491507. The reversal of 8491494 is 4941948.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64264 + ... + 64395.

It is an arithmetic number, because the mean of its divisors is an integer number (1157940).

Almost surely, 2^8491494 is an apocalyptic number.

8491494 is an abundant number, since it is smaller than the sum of its proper divisors (10035546).

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

8491494 is a wasteful number, since it uses less digits than its factorization.

8491494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128675.

The product of its digits is 41472, while the sum is 39.

The square root of 8491494 is about 2914.0168153255. The cubic root of 8491494 is about 204.0146567708.

The spelling of 8491494 in words is "eight million, four hundred ninety-one thousand, four hundred ninety-four".