8724987 has 6 divisors (see below), whose sum is σ = 12602772. Its totient is φ = 5816652.

The previous prime is 8724983. The next prime is 8725021. The reversal of 8724987 is 7894278.

8724987 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8724987 - 2² = 8724983 is a prime.

It is a super-2 number, since 2×8724987² = 152250796300338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8724983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 484713 + ... + 484730.

It is an arithmetic number, because the mean of its divisors is an integer number (2100462).

Almost surely, 2^8724987 is an apocalyptic number.

8724987 is a deficient number, since it is larger than the sum of its proper divisors (3877785).

8724987 is a wasteful number, since it uses less digits than its factorization.

8724987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969449 (or 969446 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 8724987 is about 2953.8088970006. The cubic root of 8724987 is about 205.8677238601.

The spelling of 8724987 in words is "eight million, seven hundred twenty-four thousand, nine hundred eighty-seven".