8491707 has 12 divisors (see below), whose sum is σ = 14018160. Its totient is φ = 4852368.

The previous prime is 8491697. The next prime is 8491711. The reversal of 8491707 is 7071948.

It is not a de Polignac number, because 8491707 - 2⁶ = 8491643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8491207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67332 + ... + 67457.

It is an arithmetic number, because the mean of its divisors is an integer number (1168180).

Almost surely, 2^8491707 is an apocalyptic number.

8491707 is a deficient number, since it is larger than the sum of its proper divisors (5526453).

8491707 is a wasteful number, since it uses less digits than its factorization.

8491707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134802 (or 134799 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 8491707 is about 2914.0533625862. The cubic root of 8491707 is about 204.0163625860.

It can be divided in two parts, 849 and 1707, that added together give a triangular number (2556 = T₇₁).

The spelling of 8491707 in words is "eight million, four hundred ninety-one thousand, seven hundred seven".