340355918 has 16 divisors (see below), whose sum is σ = 583838304. Its totient is φ = 145774080.

The previous prime is 340355903. The next prime is 340355921. The reversal of 340355918 is 819553043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18038 + ... + 31718.

It is an arithmetic number, because the mean of its divisors is an integer number (36489894).

Almost surely, 2^340355918 is an apocalyptic number.

340355918 is a deficient number, since it is larger than the sum of its proper divisors (243482386).

340355918 is a wasteful number, since it uses less digits than its factorization.

340355918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 340355918 is about 18448.7375719858. The cubic root of 340355918 is about 698.1966630023.

The spelling of 340355918 in words is "three hundred forty million, three hundred fifty-five thousand, nine hundred eighteen".