867761 has 8 divisors (see below), whose sum is σ = 912000. Its totient is φ = 824688.

The previous prime is 867743. The next prime is 867773. The reversal of 867761 is 167768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 867761 - 2¹⁰ = 866737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (114000).

2⁸⁶⁷⁷⁶¹ is an apocalyptic number.

It is an amenable number.

867761 is a deficient number, since it is larger than the sum of its proper divisors (44239).

867761 is a wasteful number, since it uses less digits than its factorization.

867761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its digits is 14112, while the sum is 35.

The square root of 867761 is about 931.5369021139. The cubic root of 867761 is about 95.3820625034.

The spelling of 867761 in words is "eight hundred sixty-seven thousand, seven hundred sixty-one".