2792856 has 64 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 828800.

The previous prime is 2792843. The next prime is 2792861. The reversal of 2792856 is 6582972.

It is a happy number.

2792856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (60480) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18670 + ... + 18818.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2^2792856 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 2792856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888000).

2792856 is an abundant number, since it is smaller than the sum of its proper divisors (4983144).

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

2792856 is a wasteful number, since it uses less digits than its factorization.

2792856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 236 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 2792856 is about 1671.1840114123. The cubic root of 2792856 is about 140.8260013534.

The spelling of 2792856 in words is "two million, seven hundred ninety-two thousand, eight hundred fifty-six".