3995287 has 4 divisors (see below), whose sum is σ = 4002856. Its totient is φ = 3987720.

The previous prime is 3995281. The next prime is 3995347. The reversal of 3995287 is 7825993.

It is a happy number.

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 3995287 - 2³ = 3995279 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 (3995281) 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, 2928 + ... + 4069.

It is an arithmetic number, because the mean of its divisors is an integer number (1000714).

Almost surely, 2^3995287 is an apocalyptic number.

3995287 is a deficient number, since it is larger than the sum of its proper divisors (7569).

3995287 is an equidigital number, since it uses as much as digits as its factorization.

3995287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568.

The product of its digits is 136080, while the sum is 43.

The square root of 3995287 is about 1998.8214027271. The cubic root of 3995287 is about 158.6777355184.

The spelling of 3995287 in words is "three million, nine hundred ninety-five thousand, two hundred eighty-seven".