340195347 has 12 divisors (see below), whose sum is σ = 520299000. Its totient is φ = 213455808.

The previous prime is 340195321. The next prime is 340195351. The reversal of 340195347 is 743591043.

It is not a de Polignac number, because 340195347 - 2¹² = 340191251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340191347) 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 11 ways as a sum of consecutive naturals, for example, 1111597 + ... + 1111902.

It is an arithmetic number, because the mean of its divisors is an integer number (43358250).

Almost surely, 2^340195347 is an apocalyptic number.

340195347 is a deficient number, since it is larger than the sum of its proper divisors (180103653).

340195347 is a wasteful number, since it uses less digits than its factorization.

340195347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223522 (or 2223519 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 340195347 is about 18444.3852432116. The cubic root of 340195347 is about 698.0868487703.

The spelling of 340195347 in words is "three hundred forty million, one hundred ninety-five thousand, three hundred forty-seven".