3404825 has 6 divisors (see below), whose sum is σ = 4222014. Its totient is φ = 2723840.

The previous prime is 3404801. The next prime is 3404827. The reversal of 3404825 is 5284043.

It can be written as a sum of positive squares in 3 ways, for example, as 4489 + 3400336 = 67^2 + 1844^2 .

It is not a de Polignac number, because 3404825 - 2¹⁸ = 3142681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3404794 and 3404803.

It is not an unprimeable number, because it can be changed into a prime (3404827) 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, 68072 + ... + 68121.

It is an arithmetic number, because the mean of its divisors is an integer number (703669).

Almost surely, 2^3404825 is an apocalyptic number.

It is an amenable number.

3404825 is a deficient number, since it is larger than the sum of its proper divisors (817189).

3404825 is a wasteful number, since it uses less digits than its factorization.

3404825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136203 (or 136198 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3404825 is about 1845.2167894315. The cubic root of 3404825 is about 150.4405566507.

Adding to 3404825 its reverse (5284043), we get a palindrome (8688868).

The spelling of 3404825 in words is "three million, four hundred four thousand, eight hundred twenty-five".