3995651 has 8 divisors (see below), whose sum is σ = 4374000. Its totient is φ = 3619840.

The previous prime is 3995647. The next prime is 3995653. The reversal of 3995651 is 1565993.

3995651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3995651 - 2² = 3995647 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3995653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (546750).

Almost surely, 2^3995651 is an apocalyptic number.

3995651 is a deficient number, since it is larger than the sum of its proper divisors (378349).

3995651 is a wasteful number, since it uses less digits than its factorization.

3995651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269.

The product of its digits is 36450, while the sum is 38.

The square root of 3995651 is about 1998.9124543111. The cubic root of 3995651 is about 158.6825542746.

The spelling of 3995651 in words is "three million, nine hundred ninety-five thousand, six hundred fifty-one".