3489425 has 12 divisors (see below), whose sum is σ = 4477020. Its totient is φ = 2694720.

The previous prime is 3489413. The next prime is 3489457. The reversal of 3489425 is 5249843.

It is a Cunningham number, because it is equal to 1868²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 3489424 = 1^2 + 1868^2 .

It is not a de Polignac number, because 3489425 - 2¹⁸ = 3227281 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 4⁹ + 8³ + 9³ + 4¹⁰ + 2²¹ + 5⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1682 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (373085).

Almost surely, 2^3489425 is an apocalyptic number.

It is an amenable number.

3489425 is a deficient number, since it is larger than the sum of its proper divisors (987595).

3489425 is a wasteful number, since it uses less digits than its factorization.

3489425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852 (or 4847 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 3489425 is about 1868.0002676659. Note that the first 3 decimals coincide. The cubic root of 3489425 is about 151.6763803839.

The spelling of 3489425 in words is "three million, four hundred eighty-nine thousand, four hundred twenty-five".