340485 has 8 divisors (see below), whose sum is σ = 544800. Its totient is φ = 181584.

The previous prime is 340481. The next prime is 340519. The reversal of 340485 is 584043.

340485 = 180² + 181² + ... + 189².

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 340485 - 2² = 340481 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340485.

It is not an unprimeable number, because it can be changed into a prime (340481) 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 7 ways as a sum of consecutive naturals, for example, 11335 + ... + 11364.

It is an arithmetic number, because the mean of its divisors is an integer number (68100).

2³⁴⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

340485 is a deficient number, since it is larger than the sum of its proper divisors (204315).

340485 is a wasteful number, since it uses less digits than its factorization.

340485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22707.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 340485 is about 583.5109253476. The cubic root of 340485 is about 69.8284916921.

The spelling of 340485 in words is "three hundred forty thousand, four hundred eighty-five".