342746 has 8 divisors (see below), whose sum is σ = 536544. Its totient is φ = 163900.

The previous prime is 342733. The next prime is 342757. The reversal of 342746 is 647243.

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 3⁵ + 4⁷ + 7⁵ + 2⁹ + 4⁹ + 6⁶ .

It is a Curzon number.

It is an unprimeable 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, 3680 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (67068).

2³⁴²⁷⁴⁶ is an apocalyptic number.

342746 is a deficient number, since it is larger than the sum of its proper divisors (193798).

342746 is a wasteful number, since it uses less digits than its factorization.

342746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476.

The product of its digits is 4032, while the sum is 26.

The square root of 342746 is about 585.4451297944. The cubic root of 342746 is about 69.9827168215.

Adding to 342746 its reverse (647243), we get a palindrome (989989).

The spelling of 342746 in words is "three hundred forty-two thousand, seven hundred forty-six".