8487131 has 8 divisors (see below), whose sum is σ = 9077184. Its totient is φ = 7907200.

The previous prime is 8487121. The next prime is 8487137. The reversal of 8487131 is 1317848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8487131 - 2¹⁴ = 8470747 is a prime.

It is a super-2 number, since 2×8487131² = 144062785222322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8487137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755 + ... + 4188.

It is an arithmetic number, because the mean of its divisors is an integer number (1134648).

Almost surely, 2^8487131 is an apocalyptic number.

8487131 is a deficient number, since it is larger than the sum of its proper divisors (590053).

8487131 is a wasteful number, since it uses less digits than its factorization.

8487131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061.

The product of its digits is 5376, while the sum is 32.

The square root of 8487131 is about 2913.2680961422. The cubic root of 8487131 is about 203.9797093108.

The spelling of 8487131 in words is "eight million, four hundred eighty-seven thousand, one hundred thirty-one".