340345406 has 8 divisors (see below), whose sum is σ = 540548640. Its totient is φ = 160162528.

The previous prime is 340345403. The next prime is 340345417. The reversal of 340345406 is 604543043.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340345403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005046 + ... + 5005113.

It is an arithmetic number, because the mean of its divisors is an integer number (67568580).

Almost surely, 2^340345406 is an apocalyptic number.

340345406 is a deficient number, since it is larger than the sum of its proper divisors (200203234).

340345406 is a wasteful number, since it uses less digits than its factorization.

340345406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010178.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 340345406 is about 18448.4526722433. The cubic root of 340345406 is about 698.1894749202.

Adding to 340345406 its reverse (604543043), we get a palindrome (944888449).

The spelling of 340345406 in words is "three hundred forty million, three hundred forty-five thousand, four hundred six".