2117734 has 8 divisors (see below), whose sum is σ = 3279168. Its totient is φ = 1024680.

The previous prime is 2117729. The next prime is 2117743. The reversal of 2117734 is 4377112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2117699 and 2117708.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17017 + ... + 17140.

It is an arithmetic number, because the mean of its divisors is an integer number (409896).

2^2117734 is an apocalyptic number.

2117734 is a deficient number, since it is larger than the sum of its proper divisors (1161434).

2117734 is a wasteful number, since it uses less digits than its factorization.

2117734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34190.

The product of its digits is 1176, while the sum is 25.

The square root of 2117734 is about 1455.2436222159. The cubic root of 2117734 is about 128.4173794017.

The spelling of 2117734 in words is "two million, one hundred seventeen thousand, seven hundred thirty-four".