1705349 has 4 divisors (see below), whose sum is σ = 1729440. Its totient is φ = 1681260.

The previous prime is 1705339. The next prime is 1705369. The reversal of 1705349 is 9435071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9435071 = 2357 ⋅4003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1705349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1705309) 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, 11939 + ... + 12080.

It is an arithmetic number, because the mean of its divisors is an integer number (432360).

2^1705349 is an apocalyptic number.

It is an amenable number.

1705349 is a deficient number, since it is larger than the sum of its proper divisors (24091).

1705349 is an equidigital number, since it uses as much as digits as its factorization.

1705349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24090.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1705349 is about 1305.8901178889. The cubic root of 1705349 is about 119.4733634603.

The spelling of 1705349 in words is "one million, seven hundred five thousand, three hundred forty-nine".