8862491 has 16 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 7478400.

The previous prime is 8862481. The next prime is 8862509. The reversal of 8862491 is 1942688.

8862491 is nontrivially palindromic in base 13.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8862491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8862421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15236 + ... + 15806.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 2^8862491 is an apocalyptic number.

8862491 is a deficient number, since it is larger than the sum of its proper divisors (1515877).

8862491 is a wasteful number, since it uses less digits than its factorization.

8862491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its digits is 27648, while the sum is 38.

The square root of 8862491 is about 2976.9936177291. The cubic root of 8862491 is about 206.9435694545.

Adding to 8862491 its sum of digits (38), we get a square (8862529 = 2977²).

The spelling of 8862491 in words is "eight million, eight hundred sixty-two thousand, four hundred ninety-one".