867956 has 12 divisors (see below), whose sum is σ = 1535268. Its totient is φ = 429312.

The previous prime is 867947. The next prime is 867959. The reversal of 867956 is 659768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 320356 = 740^2 + 566^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867959) by changing a digit.

867956 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 1506.

It is an arithmetic number, because the mean of its divisors is an integer number (127939).

2⁸⁶⁷⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

867956 is a deficient number, since it is larger than the sum of its proper divisors (667312).

867956 is a wasteful number, since it uses less digits than its factorization.

867956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 2336 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 867956 is about 931.6415619754. The cubic root of 867956 is about 95.3892066015.

The spelling of 867956 in words is "eight hundred sixty-seven thousand, nine hundred fifty-six".