340645928 has 32 divisors (see below), whose sum is σ = 736665600. Its totient is φ = 144649152.

The previous prime is 340645901. The next prime is 340645931. The reversal of 340645928 is 829546043.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21800 + ... + 34007.

It is an arithmetic number, because the mean of its divisors is an integer number (23020800).

Almost surely, 2^340645928 is an apocalyptic number.

It is an amenable number.

340645928 is an abundant number, since it is smaller than the sum of its proper divisors (396019672).

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

340645928 is a wasteful number, since it uses less digits than its factorization.

340645928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55929 (or 55925 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 340645928 is about 18456.5957857889. The cubic root of 340645928 is about 698.3949128539.

The spelling of 340645928 in words is "three hundred forty million, six hundred forty-five thousand, nine hundred twenty-eight".