2016243 has 6 divisors (see below), whose sum is σ = 2912364. Its totient is φ = 1344156.

The previous prime is 2016239. The next prime is 2016247. The reversal of 2016243 is 3426102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2016239) and next prime (2016247).

It is not a de Polignac number, because 2016243 - 2² = 2016239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2016247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112005 + ... + 112022.

It is an arithmetic number, because the mean of its divisors is an integer number (485394).

2^2016243 is an apocalyptic number.

2016243 is a deficient number, since it is larger than the sum of its proper divisors (896121).

2016243 is a wasteful number, since it uses less digits than its factorization.

2016243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224033 (or 224030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2016243 is about 1419.9447172337. The cubic root of 2016243 is about 126.3322673953.

The spelling of 2016243 in words is "two million, sixteen thousand, two hundred forty-three".