855700 has 36 divisors (see below), whose sum is σ = 1909600. Its totient is φ = 332640.

The previous prime is 855697. The next prime is 855709. The reversal of 855700 is 7558.

855700 = T₁₁₂ + T₁₁₃ + ... + T₁₈₆.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4201 + ... + 4399.

2⁸⁵⁵⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954800).

855700 is an abundant number, since it is smaller than the sum of its proper divisors (1053900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855700 is a wasteful number, since it uses less digits than its factorization.

855700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 855700 is about 925.0405396522. The cubic root of 855700 is about 94.9380944795.

The spelling of 855700 in words is "eight hundred fifty-five thousand, seven hundred".