340403105 has 16 divisors (see below), whose sum is σ = 487137024. Its totient is φ = 223270080.

The previous prime is 340403099. The next prime is 340403113. The reversal of 340403105 is 501304043.

It is a de Polignac number, because none of the positive numbers 2^k-340403105 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210626 + ... + 212235.

It is an arithmetic number, because the mean of its divisors is an integer number (30446064).

Almost surely, 2^340403105 is an apocalyptic number.

340403105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340403105 is a deficient number, since it is larger than the sum of its proper divisors (146733919).

340403105 is a wasteful number, since it uses less digits than its factorization.

340403105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422896.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340403105 is about 18450.0163956567. The cubic root of 340403105 is about 698.2289275444.

Adding to 340403105 its reverse (501304043), we get a palindrome (841707148).

The spelling of 340403105 in words is "three hundred forty million, four hundred three thousand, one hundred five".