1704404 has 24 divisors (see below), whose sum is σ = 3263400. Its totient is φ = 774144.

The previous prime is 1704397. The next prime is 1704407. The reversal of 1704404 is 4044071.

It can be written as a sum of positive squares in 4 ways, for example, as 136900 + 1567504 = 370^2 + 1252^2 .

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 7 ways as a sum of consecutive naturals, for example, 3572 + ... + 4020.

It is an arithmetic number, because the mean of its divisors is an integer number (135975).

2^1704404 is an apocalyptic number.

It is an amenable number.

1704404 is a deficient number, since it is larger than the sum of its proper divisors (1558996).

1704404 is a wasteful number, since it uses less digits than its factorization.

1704404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1704404 is about 1305.5282455772. The cubic root of 1704404 is about 119.4512911084.

Adding to 1704404 its reverse (4044071), we get a palindrome (5748475).

The spelling of 1704404 in words is "one million, seven hundred four thousand, four hundred four".