3995672 has 8 divisors (see below), whose sum is σ = 7491900. Its totient is φ = 1997832.

The previous prime is 3995671. The next prime is 3995687. The reversal of 3995672 is 2765993.

3995672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995671) 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 as a sum of consecutive naturals, namely, 249722 + ... + 249737.

Almost surely, 2^3995672 is an apocalyptic number.

It is an amenable number.

3995672 is a deficient number, since it is larger than the sum of its proper divisors (3496228).

3995672 is a wasteful number, since it uses less digits than its factorization.

3995672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499465 (or 499461 counting only the distinct ones).

The product of its digits is 102060, while the sum is 41.

The square root of 3995672 is about 1998.9177071606. The cubic root of 3995672 is about 158.6828322708.

It can be divided in two parts, 399 and 5672, that multiplied together give a triangular number (2263128 = T₂₁₂₇).

The spelling of 3995672 in words is "three million, nine hundred ninety-five thousand, six hundred seventy-two".