2021708 has 24 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 877824.

The previous prime is 2021699. The next prime is 2021711. The reversal of 2021708 is 8071202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

2^2021708 is an apocalyptic number.

It is an amenable number.

2021708 is a deficient number, since it is larger than the sum of its proper divisors (2014324).

2021708 is a wasteful number, since it uses less digits than its factorization.

2021708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2021708 is about 1421.8677856960. The cubic root of 2021708 is about 126.4463050717.

The spelling of 2021708 in words is "two million, twenty-one thousand, seven hundred eight".