3967284 has 12 divisors (see below), whose sum is σ = 9257024. Its totient is φ = 1322424.

The previous prime is 3967277. The next prime is 3967289. The reversal of 3967284 is 4827693.

3967284 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967289) 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, 165292 + ... + 165315.

Almost surely, 2^3967284 is an apocalyptic number.

It is an amenable number.

3967284 is an abundant number, since it is smaller than the sum of its proper divisors (5289740).

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

3967284 is a wasteful number, since it uses less digits than its factorization.

3967284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330614 (or 330612 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3967284 is about 1991.8042072453. The cubic root of 3967284 is about 158.3061414677.

The spelling of 3967284 in words is "three million, nine hundred sixty-seven thousand, two hundred eighty-four".