345420938 has 8 divisors (see below), whose sum is σ = 518234880. Its totient is φ = 172675980.

The previous prime is 345420913. The next prime is 345420947. The reversal of 345420938 is 839024543.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (64779360).

Almost surely, 2^345420938 is an apocalyptic number.

345420938 is a deficient number, since it is larger than the sum of its proper divisors (172813942).

345420938 is a wasteful number, since it uses less digits than its factorization.

345420938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34492.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 345420938 is about 18585.5034368187. The cubic root of 345420938 is about 701.6430370516.

The spelling of 345420938 in words is "three hundred forty-five million, four hundred twenty thousand, nine hundred thirty-eight".