343220061 has 8 divisors (see below), whose sum is σ = 468788544. Its totient is φ = 223232480.

The previous prime is 343220057. The next prime is 343220069. The reversal of 343220061 is 160022343.

It is a happy number.

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 343220061 - 2² = 343220057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343220069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395081 + ... + 1395326.

It is an arithmetic number, because the mean of its divisors is an integer number (58598568).

Almost surely, 2^343220061 is an apocalyptic number.

It is an amenable number.

343220061 is a deficient number, since it is larger than the sum of its proper divisors (125568483).

343220061 is a wasteful number, since it uses less digits than its factorization.

343220061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790451.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343220061 is about 18526.1993134048. The cubic root of 343220061 is about 700.1496693570.

The spelling of 343220061 in words is "three hundred forty-three million, two hundred twenty thousand, sixty-one".