2116345 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 1256640.

The previous prime is 2116327. The next prime is 2116351. The reversal of 2116345 is 5436112.

It is not a de Polignac number, because 2116345 - 2¹¹ = 2114297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8736 + ... + 8974.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^2116345 is an apocalyptic number.

It is an amenable number.

2116345 is a deficient number, since it is larger than the sum of its proper divisors (1201415).

2116345 is a wasteful number, since it uses less digits than its factorization.

2116345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 720, while the sum is 22.

The square root of 2116345 is about 1454.7663042565. The cubic root of 2116345 is about 128.3892973808.

It can be divided in two parts, 211 and 6345, that added together give a palindrome (6556).

The spelling of 2116345 in words is "two million, one hundred sixteen thousand, three hundred forty-five".