855456 has 96 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 228096.

The previous prime is 855431. The next prime is 855461. The reversal of 855456 is 654558.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12735 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (28560).

2⁸⁵⁵⁴⁵⁶ 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 855456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370880).

855456 is an abundant number, since it is smaller than the sum of its proper divisors (1886304).

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

855456 is a wasteful number, since it uses less digits than its factorization.

855456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 98 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 855456 is about 924.9086441374. The cubic root of 855456 is about 94.9290698614.

The spelling of 855456 in words is "eight hundred fifty-five thousand, four hundred fifty-six".