340351047 has 24 divisors (see below), whose sum is σ = 535345200. Its totient is φ = 207543168.

The previous prime is 340351019. The next prime is 340351051. The reversal of 340351047 is 740153043.

It is not a de Polignac number, because 340351047 - 2¹⁴ = 340334663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340351047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340351007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29358 + ... + 39275.

It is an arithmetic number, because the mean of its divisors is an integer number (22306050).

Almost surely, 2^340351047 is an apocalyptic number.

340351047 is a deficient number, since it is larger than the sum of its proper divisors (194994153).

340351047 is a wasteful number, since it uses less digits than its factorization.

340351047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68687 (or 68684 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 340351047 is about 18448.6055570604. The cubic root of 340351047 is about 698.1933322418.

The spelling of 340351047 in words is "three hundred forty million, three hundred fifty-one thousand, forty-seven".