3968025 has 24 divisors (see below), whose sum is σ = 6618624. Its totient is φ = 2097600.

The previous prime is 3968023. The next prime is 3968047. The reversal of 3968025 is 5208693.

It is a happy number.

It is not a de Polignac number, because 3968025 - 2¹ = 3968023 is a prime.

It is a Curzon number.

3968025 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3968023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14187 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (275776).

Almost surely, 2^3968025 is an apocalyptic number.

It is an amenable number.

3968025 is a deficient number, since it is larger than the sum of its proper divisors (2650599).

3968025 is a wasteful number, since it uses less digits than its factorization.

3968025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3968025 is about 1991.9902108193. The cubic root of 3968025 is about 158.3159968707.

The spelling of 3968025 in words is "three million, nine hundred sixty-eight thousand, twenty-five".