3894866936 has 8 divisors (see below), whose sum is σ = 7302875520. Its totient is φ = 1947433464.

The previous prime is 3894866929. The next prime is 3894866947. The reversal of 3894866936 is 6396684983.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243429176 + ... + 243429191.

It is an arithmetic number, because the mean of its divisors is an integer number (912859440).

Almost surely, 2^3894866936 is an apocalyptic number.

It is an amenable number.

3894866936 is a deficient number, since it is larger than the sum of its proper divisors (3408008584).

3894866936 is a wasteful number, since it uses less digits than its factorization.

3894866936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486858373 (or 486858369 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 62.

The square root of 3894866936 is about 62408.8690491984. The cubic root of 3894866936 is about 1573.3700360505.

The spelling of 3894866936 in words is "three billion, eight hundred ninety-four million, eight hundred sixty-six thousand, nine hundred thirty-six".