342544 has 20 divisors (see below), whose sum is σ = 674560. Its totient is φ = 168480.

The previous prime is 342527. The next prime is 342547. The reversal of 342544 is 445243.

It is a happy number.

It is a d-powerful number, because it can be written as 3⁷ + 4² + 5⁷ + 2³ + 4³ + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (342547) by changing a digit.

342544 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (33728).

2³⁴²⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

342544 is a deficient number, since it is larger than the sum of its proper divisors (332016).

342544 is a wasteful number, since it uses less digits than its factorization.

342544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 342544 is about 585.2725860657. The cubic root of 342544 is about 69.9689658350.

Adding to 342544 its reverse (445243), we get a palindrome (787787).

The spelling of 342544 in words is "three hundred forty-two thousand, five hundred forty-four".