1966933 has 2 divisors, whose sum is σ = 1966934. Its totient is φ = 1966932.

The previous prime is 1966931. The next prime is 1966963. The reversal of 1966933 is 3396691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1580049 + 386884 = 1257^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1966933 - 2¹ = 1966931 is a prime.

Together with 1966931, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 9 + 6⁷ + 6⁸ + 9² + 3⁶ + 3⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 1966892 and 1966901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1966931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983466 + 983467.

It is an arithmetic number, because the mean of its divisors is an integer number (983467).

2^1966933 is an apocalyptic number.

It is an amenable number.

1966933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966933 is an equidigital number, since it uses as much as digits as its factorization.

1966933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 1966933 is about 1402.4738856749. The cubic root of 1966933 is about 125.2938792053.

The spelling of 1966933 in words is "one million, nine hundred sixty-six thousand, nine hundred thirty-three".