2997243 has 10 divisors (see below), whose sum is σ = 4477484. Its totient is φ = 1998108.

The previous prime is 2997233. The next prime is 2997263. The reversal of 2997243 is 3427992.

It is not a de Polignac number, because 2997243 - 2⁴ = 2997227 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2997198 and 2997207.

It is not an unprimeable number, because it can be changed into a prime (2997233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18421 + ... + 18582.

2^2997243 is an apocalyptic number.

2997243 is a deficient number, since it is larger than the sum of its proper divisors (1480241).

2997243 is an equidigital number, since it uses as much as digits as its factorization.

2997243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37015 (or 37006 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2997243 is about 1731.2547472859. The cubic root of 2997243 is about 144.1807625779.

It can be divided in two parts, 2997 and 243, that added together give a triangular number (3240 = T₈₀).

The spelling of 2997243 in words is "two million, nine hundred ninety-seven thousand, two hundred forty-three".