340700028 has 24 divisors (see below), whose sum is σ = 797844432. Its totient is φ = 113155584.

The previous prime is 340700027. The next prime is 340700047. The reversal of 340700028 is 820007043.

It is a junction number, because it is equal to n+sod(n) for n = 340699980 and 340700007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340700023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47925 + ... + 54572.

It is an arithmetic number, because the mean of its divisors is an integer number (33243518).

Almost surely, 2^340700028 is an apocalyptic number.

It is an amenable number.

340700028 is an abundant number, since it is smaller than the sum of its proper divisors (457144404).

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

340700028 is a wasteful number, since it uses less digits than its factorization.

340700028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102781 (or 102779 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 340700028 is about 18458.0613283194. The cubic root of 340700028 is about 698.4318829761.

The spelling of 340700028 in words is "three hundred forty million, seven hundred thousand, twenty-eight".