3409825 has 6 divisors (see below), whose sum is σ = 4228214. Its totient is φ = 2727840.

The previous prime is 3409811. The next prime is 3409853. The reversal of 3409825 is 5289043.

It can be written as a sum of positive squares in 3 ways, for example, as 667489 + 2742336 = 817^2 + 1656^2 .

It is not a de Polignac number, because 3409825 - 2¹¹ = 3407777 is a prime.

It is a Duffinian number.

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, 68172 + ... + 68221.

Almost surely, 2^3409825 is an apocalyptic number.

It is an amenable number.

3409825 is a deficient number, since it is larger than the sum of its proper divisors (818389).

3409825 is a wasteful number, since it uses less digits than its factorization.

3409825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136403 (or 136398 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3409825 is about 1846.5711467474. The cubic root of 3409825 is about 150.5141614986.

The spelling of 3409825 in words is "three million, four hundred nine thousand, eight hundred twenty-five".