8487851 has 8 divisors (see below), whose sum is σ = 9323520. Its totient is φ = 7691112.

The previous prime is 8487827. The next prime is 8487859. The reversal of 8487851 is 1587848.

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 8487851 - 2¹⁰ = 8486827 is a prime.

It is a super-2 number, since 2×8487851² = 144087229196402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8487799 and 8487808.

It is not an unprimeable number, because it can be changed into a prime (8487859) 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, 9275 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (1165440).

Almost surely, 2^8487851 is an apocalyptic number.

8487851 is a deficient number, since it is larger than the sum of its proper divisors (835669).

8487851 is a wasteful number, since it uses less digits than its factorization.

8487851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19465.

The product of its digits is 71680, while the sum is 41.

The square root of 8487851 is about 2913.3916660827. The cubic root of 8487851 is about 203.9854773078.

The spelling of 8487851 in words is "eight million, four hundred eighty-seven thousand, eight hundred fifty-one".