3967736 has 8 divisors (see below), whose sum is σ = 7439520. Its totient is φ = 1983864.

The previous prime is 3967727. The next prime is 3967741. The reversal of 3967736 is 6377693.

3967736 is digitally balanced in base 5, 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 junction number, because it is equal to n+sod(n) for n = 3967693 and 3967702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247976 + ... + 247991.

It is an arithmetic number, because the mean of its divisors is an integer number (929940).

Almost surely, 2^3967736 is an apocalyptic number.

It is an amenable number.

3967736 is a deficient number, since it is larger than the sum of its proper divisors (3471784).

3967736 is a wasteful number, since it uses less digits than its factorization.

3967736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495973 (or 495969 counting only the distinct ones).

The product of its digits is 142884, while the sum is 41.

The square root of 3967736 is about 1991.9176689813. The cubic root of 3967736 is about 158.3121532765.

The spelling of 3967736 in words is "three million, nine hundred sixty-seven thousand, seven hundred thirty-six".