1704049 has 4 divisors (see below), whose sum is σ = 1706740. Its totient is φ = 1701360.

The previous prime is 1704041. The next prime is 1704067. The reversal of 1704049 is 9404071.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9404071 = 877 ⋅10723.

It can be written as a sum of positive squares in 2 ways, for example, as 950625 + 753424 = 975^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1704049 - 2³ = 1704041 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 (1704041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (426685).

2^1704049 is an apocalyptic number.

It is an amenable number.

1704049 is a deficient number, since it is larger than the sum of its proper divisors (2691).

1704049 is a wasteful number, since it uses less digits than its factorization.

1704049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1704049 is about 1305.3922782061. The cubic root of 1704049 is about 119.4429972703.

The spelling of 1704049 in words is "one million, seven hundred four thousand, forty-nine".