1966337 has 2 divisors, whose sum is σ = 1966338. Its totient is φ = 1966336.

The previous prime is 1966331. The next prime is 1966343. The reversal of 1966337 is 7336691.

It is a balanced prime because it is at equal distance from previous prime (1966331) and next prime (1966343).

It can be written as a sum of positive squares in only one way, i.e., 1739761 + 226576 = 1319^2 + 476^2 .

1966337 is a truncatable prime.

It is an emirp because it is prime and its reverse (7336691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1966337 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 6⁷ + 6⁸ + 3⁷ + 3⁷ + 7⁴ .

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1966297 and 1966306.

It is not a weakly prime, because it can be changed into another prime (1966331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983168 + 983169.

It is an arithmetic number, because the mean of its divisors is an integer number (983169).

2^1966337 is an apocalyptic number.

It is an amenable number.

1966337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966337 is an equidigital number, since it uses as much as digits as its factorization.

1966337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The square root of 1966337 is about 1402.2613879017. The cubic root of 1966337 is about 125.2812228353.

The spelling of 1966337 in words is "one million, nine hundred sixty-six thousand, three hundred thirty-seven".