1683349 has 4 divisors (see below), whose sum is σ = 1688236. Its totient is φ = 1678464.

The previous prime is 1683317. The next prime is 1683359. The reversal of 1683349 is 9433861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286225 + 1397124 = 535^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683349 - 2⁵ = 1683317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683359) 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 in 3 ways as a sum of consecutive naturals, for example, 1884 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (422059).

2^1683349 is an apocalyptic number.

It is an amenable number.

1683349 is a deficient number, since it is larger than the sum of its proper divisors (4887).

1683349 is an equidigital number, since it uses as much as digits as its factorization.

1683349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886.

The product of its digits is 15552, while the sum is 34.

The square root of 1683349 is about 1297.4394012824. The cubic root of 1683349 is about 118.9573794596.

The spelling of 1683349 in words is "one million, six hundred eighty-three thousand, three hundred forty-nine".