356242 has 8 divisors (see below), whose sum is σ = 543600. Its totient is φ = 175044.

The previous prime is 356219. The next prime is 356243. The reversal of 356242 is 242653.

It is a happy number.

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

It is a d-powerful number, because it can be written as 3 + 5⁷ + 2 + 6⁵ + 4⁹ + 2¹³ .

It is not an unprimeable number, because it can be changed into a prime (356243) by changing a digit.

356242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (67950).

2³⁵⁶²⁴² is an apocalyptic number.

356242 is a deficient number, since it is larger than the sum of its proper divisors (187358).

356242 is a wasteful number, since it uses less digits than its factorization.

356242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its digits is 1440, while the sum is 22.

The square root of 356242 is about 596.8601176155. The cubic root of 356242 is about 70.8894663083.

Adding to 356242 its reverse (242653), we get a palindrome (598895).

The spelling of 356242 in words is "three hundred fifty-six thousand, two hundred forty-two".