2855776 has 96 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1036800.

The previous prime is 2855761. The next prime is 2855791. The reversal of 2855776 is 6775582.

It is an interprime number because it is at equal distance from previous prime (2855761) and next prime (2855791).

Its product of digits (117600) is a multiple of the sum of its prime divisors (100).

It is a congruent number.

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, 46786 + ... + 46846.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^2855776 is an apocalyptic number.

2855776 is the 976-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

2855776 is an abundant number, since it is smaller than the sum of its proper divisors (4643744).

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

2855776 is a wasteful number, since it uses less digits than its factorization.

2855776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 100 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The square root of 2855776 is about 1689.9041392931. The cubic root of 2855776 is about 141.8757095322.

The spelling of 2855776 in words is "two million, eight hundred fifty-five thousand, seven hundred seventy-six".