3894663 has 4 divisors (see below), whose sum is σ = 5192888. Its totient is φ = 2596440.

The previous prime is 3894637. The next prime is 3894673. The reversal of 3894663 is 3664983.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3894663 - 2⁹ = 3894151 is a prime.

It is a D-number.

It is a Duffinian number.

3894663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894673) 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, 649108 + ... + 649113.

It is an arithmetic number, because the mean of its divisors is an integer number (1298222).

Almost surely, 2^3894663 is an apocalyptic number.

3894663 is a deficient number, since it is larger than the sum of its proper divisors (1298225).

3894663 is a wasteful number, since it uses less digits than its factorization.

3894663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298224.

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

The square root of 3894663 is about 1973.4900557135. The cubic root of 3894663 is about 157.3342574916.

The spelling of 3894663 in words is "three million, eight hundred ninety-four thousand, six hundred sixty-three".