340686574 has 4 divisors (see below), whose sum is σ = 511029864. Its totient is φ = 170343286.

The previous prime is 340686539. The next prime is 340686623. The reversal of 340686574 is 475686043.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 340686574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85171642 + ... + 85171645.

It is an arithmetic number, because the mean of its divisors is an integer number (127757466).

Almost surely, 2^340686574 is an apocalyptic number.

340686574 is a deficient number, since it is larger than the sum of its proper divisors (170343290).

340686574 is a wasteful number, since it uses less digits than its factorization.

340686574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170343289.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 340686574 is about 18457.6968769129. The cubic root of 340686574 is about 698.4226893302.

The spelling of 340686574 in words is "three hundred forty million, six hundred eighty-six thousand, five hundred seventy-four".