8267864 has 32 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 3676320.

The previous prime is 8267851. The next prime is 8267887. The reversal of 8267864 is 4687628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (540000).

Almost surely, 2^8267864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8267864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640000).

8267864 is an abundant number, since it is smaller than the sum of its proper divisors (9012136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8267864 is a wasteful number, since it uses less digits than its factorization.

8267864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063 (or 2059 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 8267864 is about 2875.3893649383. The cubic root of 8267864 is about 202.2077397528.

The spelling of 8267864 in words is "eight million, two hundred sixty-seven thousand, eight hundred sixty-four".