860242 has 4 divisors (see below), whose sum is σ = 1290366. Its totient is φ = 430120.

The previous prime is 860239. The next prime is 860257. The reversal of 860242 is 242068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 638401 + 221841 = 799^2 + 471^2 .

It is an Ulam number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215059 + ... + 215062.

2⁸⁶⁰²⁴² is an apocalyptic number.

860242 is a deficient number, since it is larger than the sum of its proper divisors (430124).

860242 is a wasteful number, since it uses less digits than its factorization.

860242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430123.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 860242 is about 927.4923180275. The cubic root of 860242 is about 95.1057732315.

The spelling of 860242 in words is "eight hundred sixty thousand, two hundred forty-two".