3863656 has 8 divisors (see below), whose sum is σ = 7244370. Its totient is φ = 1931824.

The previous prime is 3863611. The next prime is 3863677. The reversal of 3863656 is 6563683.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 1522756 = 1530^2 + 1234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241471 + ... + 241486.

Almost surely, 2^3863656 is an apocalyptic number.

It is an amenable number.

3863656 is a deficient number, since it is larger than the sum of its proper divisors (3380714).

3863656 is a wasteful number, since it uses less digits than its factorization.

3863656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482963 (or 482959 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 3863656 is about 1965.6184777316. The cubic root of 3863656 is about 156.9156104552.

The spelling of 3863656 in words is "three million, eight hundred sixty-three thousand, six hundred fifty-six".