340380417 has 16 divisors (see below), whose sum is σ = 490360640. Its totient is φ = 208775232.

The previous prime is 340380413. The next prime is 340380419. The reversal of 340380417 is 714083043.

It is not a de Polignac number, because 340380417 - 2² = 340380413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340380413) by changing a digit.

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, 2242 + ... + 26187.

It is an arithmetic number, because the mean of its divisors is an integer number (30647540).

Almost surely, 2^340380417 is an apocalyptic number.

It is an amenable number.

340380417 is a deficient number, since it is larger than the sum of its proper divisors (149980223).

340380417 is a wasteful number, since it uses less digits than its factorization.

340380417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28752.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 340380417 is about 18449.4015350092. The cubic root of 340380417 is about 698.2134147894.

The spelling of 340380417 in words is "three hundred forty million, three hundred eighty thousand, four hundred seventeen".