2902243 has 4 divisors (see below), whose sum is σ = 2980720. Its totient is φ = 2823768.

The previous prime is 2902219. The next prime is 2902259. The reversal of 2902243 is 3422092.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2902243 is a prime.

It is a super-3 number, since 3×2902243³ = 73336904014232828721, which contains 333 as substring.

2902243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2902213) 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, 39183 + ... + 39256.

It is an arithmetic number, because the mean of its divisors is an integer number (745180).

2^2902243 is an apocalyptic number.

2902243 is a deficient number, since it is larger than the sum of its proper divisors (78477).

2902243 is an equidigital number, since it uses as much as digits as its factorization.

2902243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78476.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2902243 is about 1703.5970767761. The cubic root of 2902243 is about 142.6410709266.

The spelling of 2902243 in words is "two million, nine hundred two thousand, two hundred forty-three".