2056858 has 8 divisors (see below), whose sum is σ = 3137760. Its totient is φ = 1010940.

The previous prime is 2056853. The next prime is 2056891. The reversal of 2056858 is 8586502.

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

It is not an unprimeable number, because it can be changed into a prime (2056853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8598 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (392220).

2^2056858 is an apocalyptic number.

2056858 is a deficient number, since it is larger than the sum of its proper divisors (1080902).

2056858 is a wasteful number, since it uses less digits than its factorization.

2056858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17492.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2056858 is about 1434.1750241864. The cubic root of 2056858 is about 127.1749093477.

The spelling of 2056858 in words is "two million, fifty-six thousand, eight hundred fifty-eight".