1696897 has 4 divisors (see below), whose sum is σ = 1700676. Its totient is φ = 1693120.

The previous prime is 1696883. The next prime is 1696943. The reversal of 1696897 is 7986961.

1696897 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7986961 = 2143 ⋅3727.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 698896 = 999^2 + 836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1696897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1696697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (425169).

2^1696897 is an apocalyptic number.

It is an amenable number.

1696897 is a deficient number, since it is larger than the sum of its proper divisors (3779).

1696897 is an equidigital number, since it uses as much as digits as its factorization.

1696897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778.

The product of its digits is 163296, while the sum is 46.

The square root of 1696897 is about 1302.6499913638. The cubic root of 1696897 is about 119.2756597048.

Subtracting 1696897 from its reverse (7986961), we obtain a square (6290064 = 2508²).

The spelling of 1696897 in words is "one million, six hundred ninety-six thousand, eight hundred ninety-seven".