8487985 has 32 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 5806080.

The previous prime is 8487959. The next prime is 8488013. The reversal of 8487985 is 5897848.

It is not a de Polignac number, because 8487985 - 2⁵ = 8487953 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87457 + ... + 87553.

It is an arithmetic number, because the mean of its divisors is an integer number (368676).

Almost surely, 2^8487985 is an apocalyptic number.

It is an amenable number.

8487985 is a deficient number, since it is larger than the sum of its proper divisors (3309647).

8487985 is a wasteful number, since it uses less digits than its factorization.

8487985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 645120, while the sum is 49.

The square root of 8487985 is about 2913.4146632431. The cubic root of 8487985 is about 203.9865507601.

The spelling of 8487985 in words is "eight million, four hundred eighty-seven thousand, nine hundred eighty-five".