320242 has 16 divisors (see below), whose sum is σ = 526680. Its totient is φ = 145152.

The previous prime is 320239. The next prime is 320267. The reversal of 320242 is 242023.

It can be written as a sum of positive squares in 4 ways, for example, as 151321 + 168921 = 389^2 + 411^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778 + ... + 2890.

2³²⁰²⁴² is an apocalyptic number.

320242 is a deficient number, since it is larger than the sum of its proper divisors (206438).

320242 is a wasteful number, since it uses less digits than its factorization.

320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 320242 is about 565.8992843254. The cubic root of 320242 is about 68.4162757799.

Adding to 320242 its reverse (242023), we get a palindrome (562265).

It can be divided in two parts, 3 and 20242, that multiplied together give a triangular number (60726 = T₃₄₈).

The spelling of 320242 in words is "three hundred twenty thousand, two hundred forty-two", and thus it is an iban number.