340645927 has 8 divisors (see below), whose sum is σ = 358774400. Its totient is φ = 322537464.

The previous prime is 340645901. The next prime is 340645931. The reversal of 340645927 is 729546043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340645927 - 2²³ = 332257319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340645927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340645937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40774 + ... + 48412.

It is an arithmetic number, because the mean of its divisors is an integer number (44846800).

Almost surely, 2^340645927 is an apocalyptic number.

340645927 is a deficient number, since it is larger than the sum of its proper divisors (18128473).

340645927 is a wasteful number, since it uses less digits than its factorization.

340645927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 340645927 is about 18456.5957586983. The cubic root of 340645927 is about 698.3949121705.

The spelling of 340645927 in words is "three hundred forty million, six hundred forty-five thousand, nine hundred twenty-seven".