2667243 has 4 divisors (see below), whose sum is σ = 3556328. Its totient is φ = 1778160.

The previous prime is 2667227. The next prime is 2667263. The reversal of 2667243 is 3427662.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2667243 - 2⁴ = 2667227 is a prime.

It is a super-2 number, since 2×2667243² = 14228370442098, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2667243.

It is not an unprimeable number, because it can be changed into a prime (2667263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444538 + ... + 444543.

It is an arithmetic number, because the mean of its divisors is an integer number (889082).

2^2667243 is an apocalyptic number.

2667243 is a deficient number, since it is larger than the sum of its proper divisors (889085).

2667243 is an equidigital number, since it uses as much as digits as its factorization.

2667243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889084.

The product of its digits is 12096, while the sum is 30.

The square root of 2667243 is about 1633.1696176454. The cubic root of 2667243 is about 138.6822443309.

The spelling of 2667243 in words is "two million, six hundred sixty-seven thousand, two hundred forty-three".