340851 has 8 divisors (see below), whose sum is σ = 519424. Its totient is φ = 194760.

The previous prime is 340849. The next prime is 340859. The reversal of 340851 is 158043.

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

It is not a de Polignac number, because 340851 - 2¹ = 340849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 16231 = 340851 / (3 + 4 + 0 + 8 + 5 + 1).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340851.

It is not an unprimeable number, because it can be changed into a prime (340859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8095 + ... + 8136.

It is an arithmetic number, because the mean of its divisors is an integer number (64928).

2³⁴⁰⁸⁵¹ is an apocalyptic number.

340851 is a deficient number, since it is larger than the sum of its proper divisors (178573).

340851 is a wasteful number, since it uses less digits than its factorization.

340851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16241.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 340851 is about 583.8244599192. The cubic root of 340851 is about 69.8535031473.

Adding to 340851 its reverse (158043), we get a palindrome (498894).

The spelling of 340851 in words is "three hundred forty thousand, eight hundred fifty-one".