8904987 has 48 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 4605120.

The previous prime is 8904953. The next prime is 8904989. The reversal of 8904987 is 7894098.

8904987 is digitally balanced in base 2 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 8904987 - 2¹² = 8900891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8904989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67912 + ... + 68042.

It is an arithmetic number, because the mean of its divisors is an integer number (336336).

Almost surely, 2^8904987 is an apocalyptic number.

8904987 is a deficient number, since it is larger than the sum of its proper divisors (7239141).

8904987 is a wasteful number, since it uses less digits than its factorization.

8904987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8904987 is about 2984.1224840814. The cubic root of 8904987 is about 207.2738097505.

The spelling of 8904987 in words is "eight million, nine hundred four thousand, nine hundred eighty-seven".