340351728 has 40 divisors (see below), whose sum is σ = 907608576. Its totient is φ = 109790400.

The previous prime is 340351681. The next prime is 340351729. The reversal of 340351728 is 827153043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340351729) 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 7 ways as a sum of consecutive naturals, for example, 112878 + ... + 115853.

Almost surely, 2^340351728 is an apocalyptic number.

It is an amenable number.

340351728 is an abundant number, since it is smaller than the sum of its proper divisors (567256848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340351728 is a wasteful number, since it uses less digits than its factorization.

340351728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228773 (or 228767 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 340351728 is about 18448.6240137307. The cubic root of 340351728 is about 698.1937979074.

The spelling of 340351728 in words is "three hundred forty million, three hundred fifty-one thousand, seven hundred twenty-eight".