340340007 has 16 divisors (see below), whose sum is σ = 520163072. Its totient is φ = 193898880.

The previous prime is 340339999. The next prime is 340340009. The reversal of 340340007 is 700043043.

It is not a de Polignac number, because 340340007 - 2³ = 340339999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340340009) 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, 16969 + ... + 31122.

It is an arithmetic number, because the mean of its divisors is an integer number (32510192).

Almost surely, 2^340340007 is an apocalyptic number.

340340007 is a deficient number, since it is larger than the sum of its proper divisors (179823065).

340340007 is a wasteful number, since it uses less digits than its factorization.

340340007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48438.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 340340007 is about 18448.3063450280. The cubic root of 340340007 is about 698.1857830385.

The spelling of 340340007 in words is "three hundred forty million, three hundred forty thousand, seven".