855304 has 32 divisors (see below), whose sum is σ = 1792800. Its totient is φ = 380160.

The previous prime is 855293. The next prime is 855307. The reversal of 855304 is 403558.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419 + ... + 2749.

It is an arithmetic number, because the mean of its divisors is an integer number (56025).

2⁸⁵⁵³⁰⁴ is an apocalyptic number.

It is an amenable number.

855304 is an abundant number, since it is smaller than the sum of its proper divisors (937496).

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

855304 is a wasteful number, since it uses less digits than its factorization.

855304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 855304 is about 924.8264702094. The cubic root of 855304 is about 94.9234471006.

The spelling of 855304 in words is "eight hundred fifty-five thousand, three hundred four".