1696969 has 2 divisors, whose sum is σ = 1696970. Its totient is φ = 1696968.

The previous prime is 1696951. The next prime is 1696973. The reversal of 1696969 is 9696961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1658944 + 38025 = 1288^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1696969 - 2¹¹ = 1694921 is a prime.

It is a super-2 number, since 2×1696969² = 5759407573922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1696979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848484 + 848485.

It is an arithmetic number, because the mean of its divisors is an integer number (848485).

2^1696969 is an apocalyptic number.

It is an amenable number.

1696969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696969 is an equidigital number, since it uses as much as digits as its factorization.

1696969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 46.

The square root of 1696969 is about 1302.6776270436. The cubic root of 1696969 is about 119.2773466518.

The spelling of 1696969 in words is "one million, six hundred ninety-six thousand, nine hundred sixty-nine".