8671864 has 8 divisors (see below), whose sum is σ = 16259760. Its totient is φ = 4335928.

The previous prime is 8671837. The next prime is 8671907. The reversal of 8671864 is 4681768.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541984 + ... + 541999.

It is an arithmetic number, because the mean of its divisors is an integer number (2032470).

Almost surely, 2^8671864 is an apocalyptic number.

It is an amenable number.

8671864 is a deficient number, since it is larger than the sum of its proper divisors (7587896).

8671864 is a wasteful number, since it uses less digits than its factorization.

8671864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083989 (or 1083985 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 8671864 is about 2944.8028796509. The cubic root of 8671864 is about 205.4490572533.

The spelling of 8671864 in words is "eight million, six hundred seventy-one thousand, eight hundred sixty-four".