3967436 has 24 divisors (see below), whose sum is σ = 7782096. Its totient is φ = 1753920.

The previous prime is 3967429. The next prime is 3967441. The reversal of 3967436 is 6347693.

It is a happy number.

3967436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3967436.

It is an unprimeable number.

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, 410 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (324254).

Almost surely, 2^3967436 is an apocalyptic number.

It is an amenable number.

3967436 is a deficient number, since it is larger than the sum of its proper divisors (3814660).

3967436 is a wasteful number, since it uses less digits than its factorization.

3967436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489 (or 2487 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 3967436 is about 1991.8423632406. The cubic root of 3967436 is about 158.3081631888.

It can be divided in two parts, 396 and 7436, that multiplied together give a square (2944656 = 1716²).

The spelling of 3967436 in words is "three million, nine hundred sixty-seven thousand, four hundred thirty-six".