340065 has 32 divisors (see below), whose sum is σ = 662400. Its totient is φ = 164160.

The previous prime is 340063. The next prime is 340073. The reversal of 340065 is 560043.

It is a happy number.

340065 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 340065 - 2¹ = 340063 is a prime.

340065 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (340061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (20700).

2³⁴⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

340065 is a deficient number, since it is larger than the sum of its proper divisors (322335).

340065 is a wasteful number, since it uses less digits than its factorization.

340065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 340065 is about 583.1509238611. The cubic root of 340065 is about 69.7997679267.

The spelling of 340065 in words is "three hundred forty thousand, sixty-five".