3042856 has 16 divisors (see below), whose sum is σ = 5845140. Its totient is φ = 1484160.

The previous prime is 3042839. The next prime is 3042857. The reversal of 3042856 is 6582403.

3042856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3006756 + 36100 = 1734^2 + 190^2 .

It is not an unprimeable number, because it can be changed into a prime (3042857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4311 + ... + 4966.

Almost surely, 2^3042856 is an apocalyptic number.

It is an amenable number.

3042856 is a deficient number, since it is larger than the sum of its proper divisors (2802284).

3042856 is a wasteful number, since it uses less digits than its factorization.

3042856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9320 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3042856 is about 1744.3783993159. The cubic root of 3042856 is about 144.9084797023.

It can be divided in two parts, 304 and 2856, that added together give a triangular number (3160 = T₇₉).

The spelling of 3042856 in words is "three million, forty-two thousand, eight hundred fifty-six".