345438238 has 8 divisors (see below), whose sum is σ = 519116760. Its totient is φ = 172399320.

The previous prime is 345438229. The next prime is 345438241. The reversal of 345438238 is 832834543.

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

It is a self number, because there is not a number n which added to its sum of digits gives 345438238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158548 + ... + 160711.

It is an arithmetic number, because the mean of its divisors is an integer number (64889595).

Almost surely, 2^345438238 is an apocalyptic number.

345438238 is a deficient number, since it is larger than the sum of its proper divisors (173678522).

345438238 is a wasteful number, since it uses less digits than its factorization.

345438238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319802.

The product of its digits is 276480, while the sum is 40.

The square root of 345438238 is about 18585.9688474935. The cubic root of 345438238 is about 701.6547505106.

The spelling of 345438238 in words is "three hundred forty-five million, four hundred thirty-eight thousand, two hundred thirty-eight".