3894775808 has 208 divisors, whose sum is σ = 9936141696. Its totient is φ = 1482424320.

The previous prime is 3894775757. The next prime is 3894775813. The reversal of 3894775808 is 8085774983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16715660 + ... + 16715892.

It is an arithmetic number, because the mean of its divisors is an integer number (47769912).

Almost surely, 2^3894775808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3894775808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4968070848).

3894775808 is an abundant number, since it is smaller than the sum of its proper divisors (6041365888).

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

3894775808 is a wasteful number, since it uses less digits than its factorization.

3894775808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 59.

The square root of 3894775808 is about 62408.1389563893. The cubic root of 3894775808 is about 1573.3577652690.

The spelling of 3894775808 in words is "three billion, eight hundred ninety-four million, seven hundred seventy-five thousand, eight hundred eight".