867656 has 8 divisors (see below), whose sum is σ = 1626870. Its totient is φ = 433824.

The previous prime is 867653. The next prime is 867677. The reversal of 867656 is 656768.

867656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 586756 + 280900 = 766^2 + 530^2 .

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

It is not an unprimeable number, because it can be changed into a prime (867653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54221 + ... + 54236.

2⁸⁶⁷⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

867656 is a deficient number, since it is larger than the sum of its proper divisors (759214).

867656 is a wasteful number, since it uses less digits than its factorization.

867656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108463 (or 108459 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 867656 is about 931.4805419331. The cubic root of 867656 is about 95.3782152380.

The spelling of 867656 in words is "eight hundred sixty-seven thousand, six hundred fifty-six".