340486317 has 12 divisors (see below), whose sum is σ = 494658684. Its totient is φ = 225677760.

The previous prime is 340486301. The next prime is 340486337. The reversal of 340486317 is 713684043.

It can be written as a sum of positive squares in 2 ways, for example, as 129481641 + 211004676 = 11379^2 + 14526^2 .

It is not a de Polignac number, because 340486317 - 2⁴ = 340486301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340486337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107784 + ... + 110897.

It is an arithmetic number, because the mean of its divisors is an integer number (41221557).

Almost surely, 2^340486317 is an apocalyptic number.

It is an amenable number.

340486317 is a deficient number, since it is larger than the sum of its proper divisors (154172367).

340486317 is a wasteful number, since it uses less digits than its factorization.

340486317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218860 (or 218857 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 340486317 is about 18452.2713236067. The cubic root of 340486317 is about 698.2858172447.

The spelling of 340486317 in words is "three hundred forty million, four hundred eighty-six thousand, three hundred seventeen".