340645930 has 16 divisors (see below), whose sum is σ = 621800064. Its totient is φ = 134338960.

The previous prime is 340645901. The next prime is 340645931. The reversal of 340645930 is 39546043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (340645931) 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 7 ways as a sum of consecutive naturals, for example, 239182 + ... + 240601.

It is an arithmetic number, because the mean of its divisors is an integer number (38862504).

Almost surely, 2^340645930 is an apocalyptic number.

340645930 is a deficient number, since it is larger than the sum of its proper divisors (281154134).

340645930 is a wasteful number, since it uses less digits than its factorization.

340645930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479861.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 340645930 is about 18456.5958399701. The cubic root of 340645930 is about 698.3949142207.

The spelling of 340645930 in words is "three hundred forty million, six hundred forty-five thousand, nine hundred thirty".