340887 has 8 divisors (see below), whose sum is σ = 457600. Its totient is φ = 225720.

The previous prime is 340877. The next prime is 340889. The reversal of 340887 is 788043.

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

It is not a de Polignac number, because 340887 - 2¹⁰ = 339863 is a prime.

It is a Duffinian 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 340887.

It is not an unprimeable number, because it can be changed into a prime (340889) 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, 312 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (57200).

2³⁴⁰⁸⁸⁷ is an apocalyptic number.

340887 is a deficient number, since it is larger than the sum of its proper divisors (116713).

340887 is a wasteful number, since it uses less digits than its factorization.

340887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 340887 is about 583.8552902903. The cubic root of 340887 is about 69.8559623231.

The spelling of 340887 in words is "three hundred forty thousand, eight hundred eighty-seven".