340735 has 4 divisors (see below), whose sum is σ = 408888. Its totient is φ = 272584.

The previous prime is 340723. The next prime is 340757. The reversal of 340735 is 537043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340735 - 2¹¹ = 338687 is a prime.

It is a super-2 number, since 2×340735² = 232200680450, which contains 22 as substring.

It is a Duffinian number.

340735 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34069 + ... + 34078.

It is an arithmetic number, because the mean of its divisors is an integer number (102222).

2³⁴⁰⁷³⁵ is an apocalyptic number.

340735 is a deficient number, since it is larger than the sum of its proper divisors (68153).

340735 is an equidigital number, since it uses as much as digits as its factorization.

340735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68152.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 340735 is about 583.7251065356. The cubic root of 340735 is about 69.8455779583.

Adding to 340735 its reverse (537043), we get a palindrome (877778).

The spelling of 340735 in words is "three hundred forty thousand, seven hundred thirty-five".