3819966 has 16 divisors (see below), whose sum is σ = 7737600. Its totient is φ = 1257048.

The previous prime is 3819943. The next prime is 3819979. The reversal of 3819966 is 6699183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (483600).

Almost surely, 2^3819966 is an apocalyptic number.

3819966 is an abundant number, since it is smaller than the sum of its proper divisors (3917634).

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

3819966 is a wasteful number, since it uses less digits than its factorization.

3819966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143.

The product of its digits is 69984, while the sum is 42.

The square root of 3819966 is about 1954.4733305932. The cubic root of 3819966 is about 156.3219026936.

The spelling of 3819966 in words is "three million, eight hundred nineteen thousand, nine hundred sixty-six".