867090 has 32 divisors (see below), whose sum is σ = 2378880. Its totient is φ = 198144.

The previous prime is 867079. The next prime is 867091. The reversal of 867090 is 90768.

It is a happy number.

867090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867090.

It is not an unprimeable number, because it can be changed into a prime (867091) by changing a digit.

867090 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 15 ways as a sum of consecutive naturals, for example, 1855 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (74340).

2⁸⁶⁷⁰⁹⁰ is an apocalyptic number.

867090 is an abundant number, since it is smaller than the sum of its proper divisors (1511790).

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

867090 is a wasteful number, since it uses less digits than its factorization.

867090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 867090 is about 931.1766749656. The cubic root of 867090 is about 95.3574712978.

The spelling of 867090 in words is "eight hundred sixty-seven thousand, ninety".