3967225 has 12 divisors (see below), whose sum is σ = 5079040. Its totient is φ = 3070800.

The previous prime is 3967207. The next prime is 3967231. The reversal of 3967225 is 5227693.

It is a happy number.

It is not a de Polignac number, because 3967225 - 2⁵ = 3967193 is a prime.

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, 1785 + ... + 3334.

Almost surely, 2^3967225 is an apocalyptic number.

It is an amenable number.

3967225 is a deficient number, since it is larger than the sum of its proper divisors (1111815).

3967225 is a wasteful number, since it uses less digits than its factorization.

3967225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160 (or 5155 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 3967225 is about 1991.7893964975. The cubic root of 3967225 is about 158.3053567067.

The spelling of 3967225 in words is "three million, nine hundred sixty-seven thousand, two hundred twenty-five".