2990443 has 2 divisors, whose sum is σ = 2990444. Its totient is φ = 2990442.

The previous prime is 2990441. The next prime is 2990447. The reversal of 2990443 is 3440992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2990443 - 2¹ = 2990441 is a prime.

Together with 2990441, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2990441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495221 + 1495222.

It is an arithmetic number, because the mean of its divisors is an integer number (1495222).

2^2990443 is an apocalyptic number.

2990443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990443 is an equidigital number, since it uses as much as digits as its factorization.

2990443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2990443 is about 1729.2897385921. The cubic root of 2990443 is about 144.0716432337.

The spelling of 2990443 in words is "two million, nine hundred ninety thousand, four hundred forty-three".