3478225 has 9 divisors (see below), whose sum is σ = 4324593. Its totient is φ = 2775120.

The previous prime is 3478201. The next prime is 3478229. The reversal of 3478225 is 5228743.

The square root of 3478225 is 1865.

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 33489 + 3444736 = 183^2 + 1856^2 .

It is not a de Polignac number, because 3478225 - 2⁹ = 3477713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9139 + ... + 9511.

Almost surely, 2^3478225 is an apocalyptic number.

3478225 is the 1865-th square number.

3478225 is the 933-rd centered octagonal number.

It is an amenable number.

3478225 is a deficient number, since it is larger than the sum of its proper divisors (846368).

3478225 is an frugal number, since it uses more digits than its factorization.

3478225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 378 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The cubic root of 3478225 is about 151.5139280002.

The spelling of 3478225 in words is "three million, four hundred seventy-eight thousand, two hundred twenty-five".