342641 has 4 divisors (see below), whose sum is σ = 369012. Its totient is φ = 316272.

The previous prime is 342607. The next prime is 342647. The reversal of 342641 is 146243.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87616 + 255025 = 296^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 342641 - 2¹⁰ = 341617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13166 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (92253).

2³⁴²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

342641 is a deficient number, since it is larger than the sum of its proper divisors (26371).

342641 is a wasteful number, since it uses less digits than its factorization.

342641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26370.

The product of its digits is 576, while the sum is 20.

The square root of 342641 is about 585.3554475701. The cubic root of 342641 is about 69.9755697060.

Adding to 342641 its reverse (146243), we get a palindrome (488884).

The spelling of 342641 in words is "three hundred forty-two thousand, six hundred forty-one".