2116923 has 8 divisors (see below), whose sum is σ = 2971200. Its totient is φ = 1336968.

The previous prime is 2116921. The next prime is 2116949. The reversal of 2116923 is 3296112.

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

It is not a de Polignac number, because 2116923 - 2¹ = 2116921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2116893 and 2116902.

It is not an unprimeable number, because it can be changed into a prime (2116921) 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, 18513 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (371400).

2^2116923 is an apocalyptic number.

2116923 is a deficient number, since it is larger than the sum of its proper divisors (854277).

2116923 is a wasteful number, since it uses less digits than its factorization.

2116923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37161.

The product of its digits is 648, while the sum is 24.

The square root of 2116923 is about 1454.9649480314. The cubic root of 2116923 is about 128.4009845520.

The spelling of 2116923 in words is "two million, one hundred sixteen thousand, nine hundred twenty-three".