340435 has 4 divisors (see below), whose sum is σ = 408528. Its totient is φ = 272344.

The previous prime is 340429. The next prime is 340447. The reversal of 340435 is 534043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340435 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 4 + 4⁹ + 0 + 3⁴ + 5⁷ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34039 + ... + 34048.

It is an arithmetic number, because the mean of its divisors is an integer number (102132).

2³⁴⁰⁴³⁵ is an apocalyptic number.

340435 is a deficient number, since it is larger than the sum of its proper divisors (68093).

340435 is an equidigital number, since it uses as much as digits as its factorization.

340435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68092.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 340435 is about 583.4680796753. The cubic root of 340435 is about 69.8250734353.

Adding to 340435 its reverse (534043), we get a palindrome (874478).

The spelling of 340435 in words is "three hundred forty thousand, four hundred thirty-five".