8487091 has 16 divisors (see below), whose sum is σ = 9302400. Its totient is φ = 7717248.

The previous prime is 8487079. The next prime is 8487103. The reversal of 8487091 is 1907848.

It is an interprime number because it is at equal distance from previous prime (8487079) and next prime (8487103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8487091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8487091.

It is not an unprimeable number, because it can be changed into a prime (8487001) 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, 75051 + ... + 75163.

It is an arithmetic number, because the mean of its divisors is an integer number (581400).

Almost surely, 2^8487091 is an apocalyptic number.

8487091 is a deficient number, since it is larger than the sum of its proper divisors (815309).

8487091 is a wasteful number, since it uses less digits than its factorization.

8487091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8487091 is about 2913.2612309918. The cubic root of 8487091 is about 203.9793888570.

The spelling of 8487091 in words is "eight million, four hundred eighty-seven thousand, ninety-one".