8466861 has 16 divisors (see below), whose sum is σ = 12360320. Its totient is φ = 5123520.

The previous prime is 8466859. The next prime is 8466889. The reversal of 8466861 is 1686648.

It is not a de Polignac number, because 8466861 - 2¹ = 8466859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8466851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (772520).

Almost surely, 2^8466861 is an apocalyptic number.

It is an amenable number.

8466861 is a deficient number, since it is larger than the sum of its proper divisors (3893459).

8466861 is a wasteful number, since it uses less digits than its factorization.

8466861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636.

The product of its digits is 55296, while the sum is 39.

The square root of 8466861 is about 2909.7871056144. The cubic root of 8466861 is about 203.8171901305.

The spelling of 8466861 in words is "eight million, four hundred sixty-six thousand, eight hundred sixty-one".