855345 has 16 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 451584.

The previous prime is 855331. The next prime is 855359. The reversal of 855345 is 543558.

It is an interprime number because it is at equal distance from previous prime (855331) and next prime (855359).

It is not a de Polignac number, because 855345 - 2⁸ = 855089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2⁸⁵⁵³⁴⁵ is an apocalyptic number.

It is an amenable number.

855345 is a deficient number, since it is larger than the sum of its proper divisors (527055).

855345 is a wasteful number, since it uses less digits than its factorization.

855345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 12000, while the sum is 30.

The square root of 855345 is about 924.8486362643. The cubic root of 855345 is about 94.9249638320.

The spelling of 855345 in words is "eight hundred fifty-five thousand, three hundred forty-five".