3409925 has 6 divisors (see below), whose sum is σ = 4228338. Its totient is φ = 2727920.

The previous prime is 3409891. The next prime is 3409927. The reversal of 3409925 is 5299043.

It can be written as a sum of positive squares in 3 ways, for example, as 2209 + 3407716 = 47^2 + 1846^2 .

It is not a de Polignac number, because 3409925 - 2¹⁶ = 3344389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3409891 and 3409900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409927) 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, 68174 + ... + 68223.

It is an arithmetic number, because the mean of its divisors is an integer number (704723).

Almost surely, 2^3409925 is an apocalyptic number.

It is an amenable number.

3409925 is a deficient number, since it is larger than the sum of its proper divisors (818413).

3409925 is a wasteful number, since it uses less digits than its factorization.

3409925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136407 (or 136402 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3409925 is about 1846.5982237617. The cubic root of 3409925 is about 150.5156328614.

It can be divided in two parts, 3409 and 925, that added together give a palindrome (4334).

The spelling of 3409925 in words is "three million, four hundred nine thousand, nine hundred twenty-five".