342961 has 4 divisors (see below), whose sum is σ = 344932. Its totient is φ = 340992.

The previous prime is 342949. The next prime is 342971. The reversal of 342961 is 169243.

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 126736 + 216225 = 356^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 342961 - 2⁵ = 342929 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4⁹ + 9⁵ + 2¹¹ + 6² + 1 .

It is a Duffinian number.

342961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (342971) by changing a digit.

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, 696 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (86233).

2³⁴²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

342961 is a deficient number, since it is larger than the sum of its proper divisors (1971).

342961 is a wasteful number, since it uses less digits than its factorization.

342961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its digits is 1296, while the sum is 25.

The square root of 342961 is about 585.6287219732. The cubic root of 342961 is about 69.9973468382.

The spelling of 342961 in words is "three hundred forty-two thousand, nine hundred sixty-one".