8491371 has 16 divisors (see below), whose sum is σ = 13036800. Its totient is φ = 4815648.

The previous prime is 8491369. The next prime is 8491391. The reversal of 8491371 is 1731948.

It is not a de Polignac number, because 8491371 - 2¹ = 8491369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8491321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (814800).

Almost surely, 2^8491371 is an apocalyptic number.

8491371 is a deficient number, since it is larger than the sum of its proper divisors (4545429).

8491371 is a wasteful number, since it uses less digits than its factorization.

8491371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058.

The product of its digits is 6048, while the sum is 33.

The square root of 8491371 is about 2913.9957103606. The cubic root of 8491371 is about 204.0136717096.

The spelling of 8491371 in words is "eight million, four hundred ninety-one thousand, three hundred seventy-one".