1946069 has 2 divisors, whose sum is σ = 1946070. Its totient is φ = 1946068.

The previous prime is 1946059. The next prime is 1946081. The reversal of 1946069 is 9606491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 69169 = 1370^2 + 263^2 .

It is an emirp because it is prime and its reverse (9606491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1946069 is a prime.

It is a super-2 number, since 2×1946069² = 7574369105522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1946029) 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, 973034 + 973035.

It is an arithmetic number, because the mean of its divisors is an integer number (973035).

2^1946069 is an apocalyptic number.

It is an amenable number.

1946069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1946069 is an equidigital number, since it uses as much as digits as its factorization.

1946069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1946069 is about 1395.0157705202. The cubic root of 1946069 is about 124.8492903659.

The spelling of 1946069 in words is "one million, nine hundred forty-six thousand, sixty-nine".