3678663 has 8 divisors (see below), whose sum is σ = 4913776. Its totient is φ = 2448000.

The previous prime is 3678659. The next prime is 3678671. The reversal of 3678663 is 3668763.

It is a happy number.

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

It is not a de Polignac number, because 3678663 - 2² = 3678659 is a prime.

It is a super-2 number, since 2×3678663² = 27065122935138, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3678663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (614222).

Almost surely, 2^3678663 is an apocalyptic number.

3678663 is a deficient number, since it is larger than the sum of its proper divisors (1235113).

3678663 is a wasteful number, since it uses less digits than its factorization.

3678663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225.

The product of its digits is 108864, while the sum is 39.

The square root of 3678663 is about 1917.9840979528. The cubic root of 3678663 is about 154.3701530493.

The spelling of 3678663 in words is "three million, six hundred seventy-eight thousand, six hundred sixty-three".