855480 has 32 divisors (see below), whose sum is σ = 2566800. Its totient is φ = 228096.

The previous prime is 855467. The next prime is 855499. The reversal of 855480 is 84558.

855480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3445 + ... + 3684.

2⁸⁵⁵⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

855480 is an abundant number, since it is smaller than the sum of its proper divisors (1711320).

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

855480 is a wasteful number, since it uses less digits than its factorization.

855480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 855480 is about 924.9216183007. The cubic root of 855480 is about 94.9299576049.

It can be divided in two parts, 85 and 5480, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 855480 in words is "eight hundred fifty-five thousand, four hundred eighty".