340863789 has 16 divisors (see below), whose sum is σ = 524557440. Its totient is φ = 192849600.

The previous prime is 340863779. The next prime is 340863797. The reversal of 340863789 is 987368043.

It is not a de Polignac number, because 340863789 - 2¹² = 340859693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340863739) 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 15 ways as a sum of consecutive naturals, for example, 78234 + ... + 82475.

It is an arithmetic number, because the mean of its divisors is an integer number (32784840).

Almost surely, 2^340863789 is an apocalyptic number.

It is an amenable number.

340863789 is a deficient number, since it is larger than the sum of its proper divisors (183693651).

340863789 is a wasteful number, since it uses less digits than its factorization.

340863789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160820.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 340863789 is about 18462.4968246443. The cubic root of 340863789 is about 698.5437678932.

The spelling of 340863789 in words is "three hundred forty million, eight hundred sixty-three thousand, seven hundred eighty-nine".