343539961 has 8 divisors (see below), whose sum is σ = 368872704. Its totient is φ = 318776640.

The previous prime is 343539901. The next prime is 343539979. The reversal of 343539961 is 169935343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343539961 - 2²⁷ = 209322233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343539901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141105 + ... + 143518.

It is an arithmetic number, because the mean of its divisors is an integer number (46109088).

Almost surely, 2^343539961 is an apocalyptic number.

It is an amenable number.

343539961 is a deficient number, since it is larger than the sum of its proper divisors (25332743).

343539961 is a wasteful number, since it uses less digits than its factorization.

343539961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284711.

The product of its digits is 262440, while the sum is 43.

The square root of 343539961 is about 18534.8310216198. The cubic root of 343539961 is about 700.3671278276.

The spelling of 343539961 in words is "three hundred forty-three million, five hundred thirty-nine thousand, nine hundred sixty-one".