3899964 has 12 divisors (see below), whose sum is σ = 9099944. Its totient is φ = 1299984.

The previous prime is 3899963. The next prime is 3899977. The reversal of 3899964 is 4699983.

It is a happy number.

3899964 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 (3899963) 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, 162487 + ... + 162510.

Almost surely, 2^3899964 is an apocalyptic number.

It is an amenable number.

3899964 is an abundant number, since it is smaller than the sum of its proper divisors (5199980).

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

3899964 is a wasteful number, since it uses less digits than its factorization.

3899964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325004 (or 325002 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 3899964 is about 1974.8326511378. The cubic root of 3899964 is about 157.4056073352.

The spelling of 3899964 in words is "three million, eight hundred ninety-nine thousand, nine hundred sixty-four".