3995767 has 4 divisors (see below), whose sum is σ = 4169520. Its totient is φ = 3822016.

The previous prime is 3995753. The next prime is 3995777. The reversal of 3995767 is 7675993.

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 3995767 - 2⁷ = 3995639 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 (3995777) 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, 86842 + ... + 86887.

It is an arithmetic number, because the mean of its divisors is an integer number (1042380).

Almost surely, 2^3995767 is an apocalyptic number.

3995767 is a deficient number, since it is larger than the sum of its proper divisors (173753).

3995767 is a wasteful number, since it uses less digits than its factorization.

3995767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173752.

The product of its digits is 357210, while the sum is 46.

The square root of 3995767 is about 1998.9414698785. The cubic root of 3995767 is about 158.6840898607.

The spelling of 3995767 in words is "three million, nine hundred ninety-five thousand, seven hundred sixty-seven".