343620245 has 8 divisors (see below), whose sum is σ = 414115416. Its totient is φ = 273715456.

The previous prime is 343620223. The next prime is 343620247. The reversal of 343620245 is 542026343.

It can be written as a sum of positive squares in 4 ways, for example, as 703921 + 342916324 = 839^2 + 18518^2 .

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 343620245 - 2¹⁶ = 343554709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343620247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146312 + ... + 148641.

It is an arithmetic number, because the mean of its divisors is an integer number (51764427).

Almost surely, 2^343620245 is an apocalyptic number.

It is an amenable number.

343620245 is a deficient number, since it is larger than the sum of its proper divisors (70495171).

343620245 is a wasteful number, since it uses less digits than its factorization.

343620245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295191.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 343620245 is about 18536.9966553377. The cubic root of 343620245 is about 700.4216813015.

Adding to 343620245 its reverse (542026343), we get a palindrome (885646588).

The spelling of 343620245 in words is "three hundred forty-three million, six hundred twenty thousand, two hundred forty-five".