3965628 has 12 divisors (see below), whose sum is σ = 9253160. Its totient is φ = 1321872.

The previous prime is 3965617. The next prime is 3965629. The reversal of 3965628 is 8265693.

3965628 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965629) 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 in 3 ways as a sum of consecutive naturals, for example, 165223 + ... + 165246.

Almost surely, 2^3965628 is an apocalyptic number.

It is an amenable number.

3965628 is an abundant number, since it is smaller than the sum of its proper divisors (5287532).

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

3965628 is a wasteful number, since it uses less digits than its factorization.

3965628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330476 (or 330474 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3965628 is about 1991.3884603462. The cubic root of 3965628 is about 158.2841120008.

The spelling of 3965628 in words is "three million, nine hundred sixty-five thousand, six hundred twenty-eight".