842258 has 8 divisors (see below), whose sum is σ = 1268028. Its totient is φ = 419584.

The previous prime is 842249. The next prime is 842267. The reversal of 842258 is 852248.

It is an interprime number because it is at equal distance from previous prime (842249) and next prime (842267).

It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 1369 = 917^2 + 37^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 842258.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 1302.

2⁸⁴²²⁵⁸ is an apocalyptic number.

842258 is a deficient number, since it is larger than the sum of its proper divisors (425770).

842258 is a wasteful number, since it uses less digits than its factorization.

842258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its digits is 5120, while the sum is 29.

The square root of 842258 is about 917.7461522665. The cubic root of 842258 is about 94.4383480366.

The spelling of 842258 in words is "eight hundred forty-two thousand, two hundred fifty-eight".