2993437 has 2 divisors, whose sum is σ = 2993438. Its totient is φ = 2993436.

The previous prime is 2993423. The next prime is 2993443. The reversal of 2993437 is 7343992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2859481 + 133956 = 1691^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 2993437 - 2¹⁹ = 2469149 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2993396 and 2993405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2993407) 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, 1496718 + 1496719.

It is an arithmetic number, because the mean of its divisors is an integer number (1496719).

2^2993437 is an apocalyptic number.

It is an amenable number.

2993437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2993437 is an equidigital number, since it uses as much as digits as its factorization.

2993437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 2993437 is about 1730.1551953510. The cubic root of 2993437 is about 144.1197081999.

The spelling of 2993437 in words is "two million, nine hundred ninety-three thousand, four hundred thirty-seven".