867390 has 32 divisors (see below), whose sum is σ = 2155680. Its totient is φ = 223104.

The previous prime is 867389. The next prime is 867397. The reversal of 867390 is 93768.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372 + ... + 1368.

It is an arithmetic number, because the mean of its divisors is an integer number (67365).

2⁸⁶⁷³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077840).

867390 is an abundant number, since it is smaller than the sum of its proper divisors (1288290).

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

867390 is a wasteful number, since it uses less digits than its factorization.

867390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 867390 is about 931.3377475438. The cubic root of 867390 is about 95.3684674431.

The spelling of 867390 in words is "eight hundred sixty-seven thousand, three hundred ninety".