1816337 has 2 divisors, whose sum is σ = 1816338. Its totient is φ = 1816336.

The previous prime is 1816301. The next prime is 1816387. The reversal of 1816337 is 7336181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274641 + 541696 = 1129^2 + 736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1816337 - 2¹⁸ = 1554193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1816387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908168 + 908169.

It is an arithmetic number, because the mean of its divisors is an integer number (908169).

2^1816337 is an apocalyptic number.

It is an amenable number.

1816337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1816337 is an equidigital number, since it uses as much as digits as its factorization.

1816337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 1816337 is about 1347.7154744233. The cubic root of 1816337 is about 122.0109503743.

The spelling of 1816337 in words is "one million, eight hundred sixteen thousand, three hundred thirty-seven".