340628645 has 24 divisors (see below), whose sum is σ = 481536000. Its totient is φ = 230604192.

The previous prime is 340628627. The next prime is 340628681. The reversal of 340628645 is 546826043.

It is not a de Polignac number, because 340628645 - 2⁸ = 340628389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340628599 and 340628608.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10556 + ... + 28154.

It is an arithmetic number, because the mean of its divisors is an integer number (20064000).

Almost surely, 2^340628645 is an apocalyptic number.

340628645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340628645 is a deficient number, since it is larger than the sum of its proper divisors (140907355).

340628645 is a wasteful number, since it uses less digits than its factorization.

340628645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17697 (or 17690 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 340628645 is about 18456.1275732479. The cubic root of 340628645 is about 698.3831014074.

The spelling of 340628645 in words is "three hundred forty million, six hundred twenty-eight thousand, six hundred forty-five".