867790 has 64 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 258720.

The previous prime is 867781. The next prime is 867793. The reversal of 867790 is 97768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37719 + ... + 37741.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁸⁶⁷⁷⁹⁰ is an apocalyptic number.

867790 is an abundant number, since it is smaller than the sum of its proper divisors (1205810).

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

867790 is a wasteful number, since it uses less digits than its factorization.

867790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 867790 is about 931.5524676582. The cubic root of 867790 is about 95.3831250267.

The spelling of 867790 in words is "eight hundred sixty-seven thousand, seven hundred ninety".