2101708 has 18 divisors (see below), whose sum is σ = 4278876. Its totient is φ = 900648.

The previous prime is 2101703. The next prime is 2101721. The reversal of 2101708 is 8071012.

It is not an unprimeable number, because it can be changed into a prime (2101703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5166 + ... + 5557.

2^2101708 is an apocalyptic number.

2101708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2101708 is an abundant number, since it is smaller than the sum of its proper divisors (2177168).

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

2101708 is a wasteful number, since it uses less digits than its factorization.

2101708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741 (or 10732 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2101708 is about 1449.7268708277. The cubic root of 2101708 is about 128.0926250146.

It can be divided in two parts, 2101 and 708, that added together give a square (2809 = 53²).

The spelling of 2101708 in words is "two million, one hundred one thousand, seven hundred eight".