2056818 has 8 divisors (see below), whose sum is σ = 4113648. Its totient is φ = 685604.

The previous prime is 2056787. The next prime is 2056829. The reversal of 2056818 is 8186502.

It is a sphenic number, since it is the product of 3 distinct primes.

2056818 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171396 + ... + 171407.

It is an arithmetic number, because the mean of its divisors is an integer number (514206).

2^2056818 is an apocalyptic number.

2056818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2056818 is a wasteful number, since it uses less digits than its factorization.

2056818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342808.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2056818 is about 1434.1610788193. The cubic root of 2056818 is about 127.1740849464.

The spelling of 2056818 in words is "two million, fifty-six thousand, eight hundred eighteen".