855804600 has 432 divisors, whose sum is σ = 3462189120. Its totient is φ = 188697600.

The previous prime is 855804553. The next prime is 855804611. The reversal of 855804600 is 6408558.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2734044 + ... + 2734356.

Almost surely, 2^855804600 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 855804600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731094560).

855804600 is an abundant number, since it is smaller than the sum of its proper divisors (2606384520).

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

855804600 is a wasteful number, since it uses less digits than its factorization.

855804600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 855804600 is about 29254.1381688130. The cubic root of 855804600 is about 949.4196270442.

The spelling of 855804600 in words is "eight hundred fifty-five million, eight hundred four thousand, six hundred".