8461985 has 8 divisors (see below), whose sum is σ = 11605056. Its totient is φ = 5802480.

The previous prime is 8461979. The next prime is 8461991. The reversal of 8461985 is 5891648.

It is an interprime number because it is at equal distance from previous prime (8461979) and next prime (8461991).

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

It is not a de Polignac number, because 8461985 - 2¹⁴ = 8445601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120851 + ... + 120920.

It is an arithmetic number, because the mean of its divisors is an integer number (1450632).

Almost surely, 2^8461985 is an apocalyptic number.

It is an amenable number.

8461985 is a deficient number, since it is larger than the sum of its proper divisors (3143071).

8461985 is a wasteful number, since it uses less digits than its factorization.

8461985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241783.

The product of its digits is 69120, while the sum is 41.

The square root of 8461985 is about 2908.9491229652. The cubic root of 8461985 is about 203.7780570343.

The spelling of 8461985 in words is "eight million, four hundred sixty-one thousand, nine hundred eighty-five".