340885 has 8 divisors (see below), whose sum is σ = 414720. Its totient is φ = 268944.

The previous prime is 340877. The next prime is 340889. The reversal of 340885 is 588043.

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

It is a cyclic number.

It is not a de Polignac number, because 340885 - 2³ = 340877 is a prime.

340885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2³⁴⁰⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

340885 is a deficient number, since it is larger than the sum of its proper divisors (73835).

340885 is an equidigital number, since it uses as much as digits as its factorization.

340885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 340885 is about 583.8535775346. The cubic root of 340885 is about 69.8558257067.

It can be divided in two parts, 340 and 885, that added together give a triangular number (1225 = T₄₉).

The spelling of 340885 in words is "three hundred forty thousand, eight hundred eighty-five".