340330407 has 16 divisors (see below), whose sum is σ = 462018048. Its totient is φ = 222778080.

The previous prime is 340330391. The next prime is 340330421. The reversal of 340330407 is 704033043.

It is not a de Polignac number, because 340330407 - 2⁴ = 340330391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340330447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134718 + ... + 137220.

It is an arithmetic number, because the mean of its divisors is an integer number (28876128).

Almost surely, 2^340330407 is an apocalyptic number.

340330407 is a deficient number, since it is larger than the sum of its proper divisors (121687641).

340330407 is a wasteful number, since it uses less digits than its factorization.

340330407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 340330407 is about 18448.0461567072. The cubic root of 340330407 is about 698.1792183812.

The spelling of 340330407 in words is "three hundred forty million, three hundred thirty thousand, four hundred seven".