3404725 has 6 divisors (see below), whose sum is σ = 4221890. Its totient is φ = 2723760.

The previous prime is 3404719. The next prime is 3404729. The reversal of 3404725 is 5274043.

It can be written as a sum of positive squares in 3 ways, for example, as 338724 + 3066001 = 582^2 + 1751^2 .

It is not a de Polignac number, because 3404725 - 2⁹ = 3404213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 136189 = 3404725 / (3 + 4 + 0 + 4 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3404725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404729) 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, 68070 + ... + 68119.

Almost surely, 2^3404725 is an apocalyptic number.

It is an amenable number.

3404725 is a deficient number, since it is larger than the sum of its proper divisors (817165).

3404725 is a wasteful number, since it uses less digits than its factorization.

3404725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136199 (or 136194 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3404725 is about 1845.1896921455. The cubic root of 3404725 is about 150.4390838189.

Adding to 3404725 its reverse (5274043), we get a palindrome (8678768).

The spelling of 3404725 in words is "three million, four hundred four thousand, seven hundred twenty-five".