2990447 has 2 divisors, whose sum is σ = 2990448. Its totient is φ = 2990446.

The previous prime is 2990443. The next prime is 2990459. The reversal of 2990447 is 7440992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2990447 - 2² = 2990443 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495223 + 1495224.

It is an arithmetic number, because the mean of its divisors is an integer number (1495224).

2^2990447 is an apocalyptic number.

2990447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990447 is an equidigital number, since it uses as much as digits as its factorization.

2990447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2990447 is about 1729.2908951359. The cubic root of 2990447 is about 144.0717074702.

The spelling of 2990447 in words is "two million, nine hundred ninety thousand, four hundred forty-seven".