340645916 has 48 divisors (see below), whose sum is σ = 673010688. Its totient is φ = 149688000.

The previous prime is 340645901. The next prime is 340645931. The reversal of 340645916 is 619546043.

It is an interprime number because it is at equal distance from previous prime (340645901) and next prime (340645931).

It is a self number, because there is not a number n which added to its sum of digits gives 340645916.

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 15 ways as a sum of consecutive naturals, for example, 323591 + ... + 324641.

It is an arithmetic number, because the mean of its divisors is an integer number (14021056).

Almost surely, 2^340645916 is an apocalyptic number.

It is an amenable number.

340645916 is a deficient number, since it is larger than the sum of its proper divisors (332364772).

340645916 is a wasteful number, since it uses less digits than its factorization.

340645916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 340645916 is about 18456.5954607018. The cubic root of 340645916 is about 698.3949046531.

The spelling of 340645916 in words is "three hundred forty million, six hundred forty-five thousand, nine hundred sixteen".