3893636394 has 24 divisors (see below), whose sum is σ = 8708349312. Its totient is φ = 1256011560.

The previous prime is 3893636371. The next prime is 3893636401. The reversal of 3893636394 is 4936363983.

It is a self number, because there is not a number n which added to its sum of digits gives 3893636394.

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 11 ways as a sum of consecutive naturals, for example, 3488364 + ... + 3489479.

It is an arithmetic number, because the mean of its divisors is an integer number (362847888).

Almost surely, 2^3893636394 is an apocalyptic number.

3893636394 is an abundant number, since it is smaller than the sum of its proper divisors (4814712918).

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

3893636394 is a wasteful number, since it uses less digits than its factorization.

3893636394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977882 (or 6977879 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 54.

The square root of 3893636394 is about 62399.0095594473. The cubic root of 3893636394 is about 1573.2043220586.

The spelling of 3893636394 in words is "three billion, eight hundred ninety-three million, six hundred thirty-six thousand, three hundred ninety-four".