855097 has 4 divisors (see below), whose sum is σ = 856960. Its totient is φ = 853236.

The previous prime is 855089. The next prime is 855119. The reversal of 855097 is 790558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 855097 - 2³ = 855089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (214240).

2⁸⁵⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

855097 is a deficient number, since it is larger than the sum of its proper divisors (1863).

855097 is a wasteful number, since it uses less digits than its factorization.

855097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 855097 is about 924.7145505506. The cubic root of 855097 is about 94.9157887168.

The spelling of 855097 in words is "eight hundred fifty-five thousand, ninety-seven".