340345100 has 144 divisors (see below), whose sum is σ = 846508320. Its totient is φ = 117964800.

The previous prime is 340345097. The next prime is 340345147. The reversal of 340345100 is 1543043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1324172 + ... + 1324428.

It is an arithmetic number, because the mean of its divisors is an integer number (5878530).

Almost surely, 2^340345100 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 340345100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423254160).

340345100 is an abundant number, since it is smaller than the sum of its proper divisors (506163220).

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

340345100 is a wasteful number, since it uses less digits than its factorization.

340345100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340345100 is about 18448.4443788630. Note that the first 3 decimals coincide. The cubic root of 340345100 is about 698.1892656758.

Adding to 340345100 its reverse (1543043), we get a palindrome (341888143).

The spelling of 340345100 in words is "three hundred forty million, three hundred forty-five thousand, one hundred".