340242 has 16 divisors (see below), whose sum is σ = 777792. Its totient is φ = 97200.

The previous prime is 340237. The next prime is 340261. The reversal of 340242 is 242043.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340242.

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 in 7 ways as a sum of consecutive naturals, for example, 4009 + ... + 4092.

It is an arithmetic number, because the mean of its divisors is an integer number (48612).

2³⁴⁰²⁴² is an apocalyptic number.

340242 is an abundant number, since it is smaller than the sum of its proper divisors (437550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340242 is a wasteful number, since it uses less digits than its factorization.

340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 340242 is about 583.3026658605. The cubic root of 340242 is about 69.8118758238.

Adding to 340242 its reverse (242043), we get a palindrome (582285).

It can be divided in two parts, 3402 and 42, that multiplied together give a square (142884 = 378²).

The spelling of 340242 in words is "three hundred forty thousand, two hundred forty-two", and thus it is an iban number.