2997439 has 2 divisors, whose sum is σ = 2997440. Its totient is φ = 2997438.

The previous prime is 2997419. The next prime is 2997443. The reversal of 2997439 is 9347992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2997439 - 2⁷ = 2997311 is a prime.

2997439 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2997395 and 2997404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2997409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498719 + 1498720.

It is an arithmetic number, because the mean of its divisors is an integer number (1498720).

2^2997439 is an apocalyptic number.

2997439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997439 is an equidigital number, since it uses as much as digits as its factorization.

2997439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 2997439 is about 1731.3113527035. The cubic root of 2997439 is about 144.1839053343.

The spelling of 2997439 in words is "two million, nine hundred ninety-seven thousand, four hundred thirty-nine".