3404425 has 6 divisors (see below), whose sum is σ = 4221518. Its totient is φ = 2723520.

The previous prime is 3404399. The next prime is 3404431. The reversal of 3404425 is 5244043.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1190281 + 2214144 = 1091^2 + 1488^2 .

It is not a de Polignac number, because 3404425 - 2⁵ = 3404393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3404396 and 3404405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68064 + ... + 68113.

Almost surely, 2^3404425 is an apocalyptic number.

It is an amenable number.

3404425 is a deficient number, since it is larger than the sum of its proper divisors (817093).

3404425 is a wasteful number, since it uses less digits than its factorization.

3404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136187 (or 136182 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3404425 is about 1845.1083978997. The cubic root of 3404425 is about 150.4346651507.

Adding to 3404425 its reverse (5244043), we get a palindrome (8648468).

The spelling of 3404425 in words is "three million, four hundred four thousand, four hundred twenty-five".