2112858 has 32 divisors (see below), whose sum is σ = 5123520. Its totient is φ = 640080.

The previous prime is 2112841. The next prime is 2112863. The reversal of 2112858 is 8582112.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (160110).

2^2112858 is an apocalyptic number.

2112858 is an abundant number, since it is smaller than the sum of its proper divisors (3010662).

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

2112858 is a wasteful number, since it uses less digits than its factorization.

2112858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579 (or 3573 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2112858 is about 1453.5673359016. The cubic root of 2112858 is about 128.3187449919.

The spelling of 2112858 in words is "two million, one hundred twelve thousand, eight hundred fifty-eight".