860290 has 8 divisors (see below), whose sum is σ = 1548540. Its totient is φ = 344112.

The previous prime is 860267. The next prime is 860291. The reversal of 860290 is 92068.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 961 = 927^2 + 31^2 .

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

It is not an unprimeable number, because it can be changed into a prime (860291) by changing a digit.

860290 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, 43005 + ... + 43024.

2⁸⁶⁰²⁹⁰ is an apocalyptic number.

860290 is a deficient number, since it is larger than the sum of its proper divisors (688250).

860290 is a wasteful number, since it uses less digits than its factorization.

860290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86036.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 860290 is about 927.5181938916. The cubic root of 860290 is about 95.1075421106.

The spelling of 860290 in words is "eight hundred sixty thousand, two hundred ninety".