340350505 has 8 divisors (see below), whose sum is σ = 445549824. Its totient is φ = 247527600.

The previous prime is 340350469. The next prime is 340350533. The reversal of 340350505 is 505053043.

It is a happy number.

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

It is not a de Polignac number, because 340350505 - 2⁷ = 340350377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340350505.

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, 3094041 + ... + 3094150.

It is an arithmetic number, because the mean of its divisors is an integer number (55693728).

Almost surely, 2^340350505 is an apocalyptic number.

It is an amenable number.

340350505 is a deficient number, since it is larger than the sum of its proper divisors (105199319).

340350505 is a wasteful number, since it uses less digits than its factorization.

340350505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188207.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 340350505 is about 18448.5908675974. The cubic root of 340350505 is about 698.1929616235.

The spelling of 340350505 in words is "three hundred forty million, three hundred fifty thousand, five hundred five".