2105908 has 12 divisors (see below), whose sum is σ = 4211872. Its totient is φ = 902520.

The previous prime is 2105897. The next prime is 2105911. The reversal of 2105908 is 8095012.

2105908 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 37578 + ... + 37633.

2^2105908 is an apocalyptic number.

2105908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2105908 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.

2105908 is a wasteful number, since it uses less digits than its factorization.

2105908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75222 (or 75220 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2105908 is about 1451.1746965820. The cubic root of 2105908 is about 128.1778939252.

The spelling of 2105908 in words is "two million, one hundred five thousand, nine hundred eight".