3967768 has 16 divisors (see below), whose sum is σ = 8502480. Its totient is φ = 1700448.

The previous prime is 3967741. The next prime is 3967793. The reversal of 3967768 is 8677693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35371 + ... + 35482.

It is an arithmetic number, because the mean of its divisors is an integer number (531405).

Almost surely, 2^3967768 is an apocalyptic number.

It is an amenable number.

3967768 is an abundant number, since it is smaller than the sum of its proper divisors (4534712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3967768 is a wasteful number, since it uses less digits than its factorization.

3967768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70866 (or 70862 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 3967768 is about 1991.9257014256. The cubic root of 3967768 is about 158.3125788739.

The spelling of 3967768 in words is "three million, nine hundred sixty-seven thousand, seven hundred sixty-eight".