340857913 has 8 divisors (see below), whose sum is σ = 374342400. Its totient is φ = 307789680.

The previous prime is 340857889. The next prime is 340857917. The reversal of 340857913 is 319758043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-340857913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340857917) 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 7 ways as a sum of consecutive naturals, for example, 102345 + ... + 105622.

It is an arithmetic number, because the mean of its divisors is an integer number (46792800).

Almost surely, 2^340857913 is an apocalyptic number.

It is an amenable number.

340857913 is a deficient number, since it is larger than the sum of its proper divisors (33484487).

340857913 is a wasteful number, since it uses less digits than its factorization.

340857913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208127.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 340857913 is about 18462.3376905526. The cubic root of 340857913 is about 698.5397539079.

The spelling of 340857913 in words is "three hundred forty million, eight hundred fifty-seven thousand, nine hundred thirteen".