345618938 has 32 divisors (see below), whose sum is σ = 620037120. Its totient is φ = 141367680.

The previous prime is 345618929. The next prime is 345618941. The reversal of 345618938 is 839816543.

It is a junction number, because it is equal to n+sod(n) for n = 345618892 and 345618901.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26228 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (19376160).

Almost surely, 2^345618938 is an apocalyptic number.

345618938 is a deficient number, since it is larger than the sum of its proper divisors (274418182).

345618938 is a wasteful number, since it uses less digits than its factorization.

345618938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022.

The product of its digits is 622080, while the sum is 47.

The square root of 345618938 is about 18590.8294059195. The cubic root of 345618938 is about 701.7770752351. Note that the first 3 decimals are identical.

The spelling of 345618938 in words is "three hundred forty-five million, six hundred eighteen thousand, nine hundred thirty-eight".