2117708 has 12 divisors (see below), whose sum is σ = 3719352. Its totient is φ = 1055040.

The previous prime is 2117701. The next prime is 2117711. The reversal of 2117708 is 8077112.

It is not an unprimeable number, because it can be changed into a prime (2117701) 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, 563 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (309946).

2^2117708 is an apocalyptic number.

It is an amenable number.

2117708 is a deficient number, since it is larger than the sum of its proper divisors (1601644).

2117708 is a wasteful number, since it uses less digits than its factorization.

2117708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 2117708 is about 1455.2346889763. The cubic root of 2117708 is about 128.4168538611.

The spelling of 2117708 in words is "two million, one hundred seventeen thousand, seven hundred eight".