8973987 has 8 divisors (see below), whose sum is σ = 13053120. Its totient is φ = 5438760.

The previous prime is 8973967. The next prime is 8974001. The reversal of 8973987 is 7893798.

It is a happy number.

8973987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8973987 - 2⁷ = 8973859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8973967) 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, 135937 + ... + 136002.

It is an arithmetic number, because the mean of its divisors is an integer number (1631640).

Almost surely, 2^8973987 is an apocalyptic number.

8973987 is a deficient number, since it is larger than the sum of its proper divisors (4079133).

8973987 is a wasteful number, since it uses less digits than its factorization.

8973987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271953.

The product of its digits is 762048, while the sum is 51.

The square root of 8973987 is about 2995.6613627044. The cubic root of 8973987 is about 207.8077843956.

It can be divided in two parts, 897 and 3987, that added together give a palindrome (4884).

The spelling of 8973987 in words is "eight million, nine hundred seventy-three thousand, nine hundred eighty-seven".