2117933 has 8 divisors (see below), whose sum is σ = 2187000. Its totient is φ = 2050048.

The previous prime is 2117903. The next prime is 2117953. The reversal of 2117933 is 3397112.

It can be written as a sum of positive squares in 4 ways, for example, as 316969 + 1800964 = 563^2 + 1342^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2117933 - 2⁸ = 2117677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4493 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (273375).

2^2117933 is an apocalyptic number.

It is an amenable number.

2117933 is a deficient number, since it is larger than the sum of its proper divisors (69067).

2117933 is an equidigital number, since it uses as much as digits as its factorization.

2117933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its digits is 1134, while the sum is 26.

The square root of 2117933 is about 1455.3119940411. The cubic root of 2117933 is about 128.4214016661.

It can be divided in two parts, 21179 and 33, that added together give a palindrome (21212).

The spelling of 2117933 in words is "two million, one hundred seventeen thousand, nine hundred thirty-three".