855249 has 8 divisors (see below), whose sum is σ = 1152480. Its totient is φ = 564096.

The previous prime is 855241. The next prime is 855269. The reversal of 855249 is 942558.

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

It is not a de Polignac number, because 855249 - 2³ = 855241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855241) 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, 1179 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (144060).

2⁸⁵⁵²⁴⁹ is an apocalyptic number.

It is an amenable number.

855249 is a deficient number, since it is larger than the sum of its proper divisors (297231).

855249 is a wasteful number, since it uses less digits than its factorization.

855249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its digits is 14400, while the sum is 33.

The square root of 855249 is about 924.7967344233. The cubic root of 855249 is about 94.9214123849.

The spelling of 855249 in words is "eight hundred fifty-five thousand, two hundred forty-nine".