8730987 has 4 divisors (see below), whose sum is σ = 11641320. Its totient is φ = 5820656.

The previous prime is 8730983. The next prime is 8731027. The reversal of 8730987 is 7890378.

8730987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8730987 - 2² = 8730983 is a prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8730983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455162 + ... + 1455167.

It is an arithmetic number, because the mean of its divisors is an integer number (2910330).

Almost surely, 2^8730987 is an apocalyptic number.

8730987 is a deficient number, since it is larger than the sum of its proper divisors (2910333).

8730987 is a wasteful number, since it uses less digits than its factorization.

8730987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910332.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 8730987 is about 2954.8243602624. The cubic root of 8730987 is about 205.9149034264.

The spelling of 8730987 in words is "eight million, seven hundred thirty thousand, nine hundred eighty-seven".