3404025 has 45 divisors (see below), whose sum is σ = 6462973.
Its totient is φ = 1771200.
The previous prime is 3403999. The next prime is 3404033. The reversal of 3404025 is 5204043.
Adding to 3404025 its sum of digits (18), we get a palindrome (3404043).
Adding to 3404025 its reverse (5204043), we get a palindrome (8608068).
It is a happy number.
The square root of 3404025 is 1845.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1432809 + 1971216 = 1197^2 + 1404^2
It is a tau number, because it is divible by the number of its divisors (45).
It is not a de Polignac number, because 3404025 - 215 = 3371257 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3403989 and 3404007.
It is an unprimeable number.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 83005 + ... + 83045.
Almost surely, 23404025 is an apocalyptic number.
3404025 is the 1845-th square number.
3404025 is the 923-rd centered octagonal number.
It is an amenable number.
3404025 is a deficient number, since it is larger than the sum of its proper divisors (3058948).
3404025 is an equidigital number, since it uses as much as digits as its factorization.
3404025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104 (or 49 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The cubic root of 3404025 is about 150.4287731892.
The spelling of 3404025 in words is "three million, four hundred four thousand, twenty-five".