3997425 has 12 divisors (see below), whose sum is σ = 6609200. Its totient is φ = 2131920.

The previous prime is 3997403. The next prime is 3997453. The reversal of 3997425 is 5247993.

It is not a de Polignac number, because 3997425 - 2⁶ = 3997361 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 9 + 9⁴ + 7⁷ + 4¹⁰ + 2¹⁹ + 5³ .

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, 26575 + ... + 26724.

Almost surely, 2^3997425 is an apocalyptic number.

It is an amenable number.

3997425 is a deficient number, since it is larger than the sum of its proper divisors (2611775).

3997425 is a wasteful number, since it uses less digits than its factorization.

3997425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53312 (or 53307 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 3997425 is about 1999.3561463631. The cubic root of 3997425 is about 158.7060349039.

The spelling of 3997425 in words is "three million, nine hundred ninety-seven thousand, four hundred twenty-five".