1704406 has 12 divisors (see below), whose sum is σ = 2810556. Its totient is φ = 774620.

The previous prime is 1704397. The next prime is 1704407. The reversal of 1704406 is 6044071.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1704407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3280 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (234213).

2^1704406 is an apocalyptic number.

1704406 is a deficient number, since it is larger than the sum of its proper divisors (1106150).

1704406 is a wasteful number, since it uses less digits than its factorization.

1704406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1704406 is about 1305.5290115505. The cubic root of 1704406 is about 119.4513378310.

Adding to 1704406 its reverse (6044071), we get a palindrome (7748477).

It can be divided in two parts, 1 and 704406, that added together give a palindrome (704407).

The spelling of 1704406 in words is "one million, seven hundred four thousand, four hundred six".