340265687 has 8 divisors (see below), whose sum is σ = 342188496. Its totient is φ = 338348032.

The previous prime is 340265677. The next prime is 340265707. The reversal of 340265687 is 786562043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 340265687 - 2¹⁰ = 340264663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340265677) 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, 259688 + ... + 260994.

It is an arithmetic number, because the mean of its divisors is an integer number (42773562).

Almost surely, 2^340265687 is an apocalyptic number.

340265687 is a deficient number, since it is larger than the sum of its proper divisors (1922809).

340265687 is a wasteful number, since it uses less digits than its factorization.

340265687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 340265687 is about 18446.2919580061. The cubic root of 340265687 is about 698.1349584280.

The spelling of 340265687 in words is "three hundred forty million, two hundred sixty-five thousand, six hundred eighty-seven".