1696143 has 4 divisors (see below), whose sum is σ = 2261528. Its totient is φ = 1130760.

The previous prime is 1696127. The next prime is 1696153. The reversal of 1696143 is 3416961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3416961 = 3 ⋅1138987.

It is not a de Polignac number, because 1696143 - 2⁴ = 1696127 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1696143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696153) 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, 282688 + ... + 282693.

It is an arithmetic number, because the mean of its divisors is an integer number (565382).

2^1696143 is an apocalyptic number.

1696143 is a deficient number, since it is larger than the sum of its proper divisors (565385).

1696143 is an equidigital number, since it uses as much as digits as its factorization.

1696143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565384.

The product of its digits is 3888, while the sum is 30.

The square root of 1696143 is about 1302.3605491568. The cubic root of 1696143 is about 119.2579907536.

The spelling of 1696143 in words is "one million, six hundred ninety-six thousand, one hundred forty-three".