3960287 has 4 divisors (see below), whose sum is σ = 3967056. Its totient is φ = 3953520.

The previous prime is 3960283. The next prime is 3960289. The reversal of 3960287 is 7820693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3960287 - 2² = 3960283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414 + ... + 3707.

It is an arithmetic number, because the mean of its divisors is an integer number (991764).

Almost surely, 2^3960287 is an apocalyptic number.

3960287 is a deficient number, since it is larger than the sum of its proper divisors (6769).

3960287 is an equidigital number, since it uses as much as digits as its factorization.

3960287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3960287 is about 1990.0469843700. The cubic root of 3960287 is about 158.2130198342.

The spelling of 3960287 in words is "three million, nine hundred sixty thousand, two hundred eighty-seven".