3863946 has 8 divisors (see below), whose sum is σ = 7727904. Its totient is φ = 1287980.

The previous prime is 3863911. The next prime is 3863971. The reversal of 3863946 is 6493683.

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

3863946 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 321990 + ... + 322001.

It is an arithmetic number, because the mean of its divisors is an integer number (965988).

Almost surely, 2^3863946 is an apocalyptic number.

3863946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3863946 is a wasteful number, since it uses less digits than its factorization.

3863946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643996.

The product of its digits is 93312, while the sum is 39.

The square root of 3863946 is about 1965.6922444778. The cubic root of 3863946 is about 156.9195363040.

The spelling of 3863946 in words is "three million, eight hundred sixty-three thousand, nine hundred forty-six".