2059857 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 1259280.

The previous prime is 2059843. The next prime is 2059859. The reversal of 2059857 is 7589502.

It is not a de Polignac number, because 2059857 - 2⁶ = 2059793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2059859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19198 + ... + 19304.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^2059857 is an apocalyptic number.

2059857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2059857 is a deficient number, since it is larger than the sum of its proper divisors (1257903).

2059857 is a wasteful number, since it uses less digits than its factorization.

2059857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2059857 is about 1435.2201921656. The cubic root of 2059857 is about 127.2366884201.

It can be divided in two parts, 2059 and 857, that added together give a square (2916 = 54²).

The spelling of 2059857 in words is "two million, fifty-nine thousand, eight hundred fifty-seven".