340600728 has 64 divisors (see below), whose sum is σ = 936552960. Its totient is φ = 102566016.

The previous prime is 340600727. The next prime is 340600747. The reversal of 340600728 is 827006043.

It is a junction number, because it is equal to n+sod(n) for n = 340600695 and 340600704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340600727) 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, 3051 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (14633640).

Almost surely, 2^340600728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340600728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468276480).

340600728 is an abundant number, since it is smaller than the sum of its proper divisors (595952232).

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

340600728 is a wasteful number, since it uses less digits than its factorization.

340600728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23296 (or 23292 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 340600728 is about 18455.3712506685. The cubic root of 340600728 is about 698.3640216912.

The spelling of 340600728 in words is "three hundred forty million, six hundred thousand, seven hundred twenty-eight".