3859966 has 8 divisors (see below), whose sum is σ = 6316344. Its totient is φ = 1754520.

The previous prime is 3859963. The next prime is 3859979. The reversal of 3859966 is 6699583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3859963) 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, 87705 + ... + 87748.

It is an arithmetic number, because the mean of its divisors is an integer number (789543).

Almost surely, 2^3859966 is an apocalyptic number.

3859966 is a deficient number, since it is larger than the sum of its proper divisors (2456378).

3859966 is a wasteful number, since it uses less digits than its factorization.

3859966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175466.

The product of its digits is 349920, while the sum is 46.

The square root of 3859966 is about 1964.6796176476. The cubic root of 3859966 is about 156.8656402515.

The spelling of 3859966 in words is "three million, eight hundred fifty-nine thousand, nine hundred sixty-six".