3895934994 has 192 divisors, whose sum is σ = 10516746240. Its totient is φ = 1017878400.

The previous prime is 3895934993. The next prime is 3895935011. The reversal of 3895934994 is 4994395983.

3895934994 is a `hidden beast` number, since 38 + 9 + 593 + 4 + 9 + 9 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3895934993) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12690189 + ... + 12690495.

It is an arithmetic number, because the mean of its divisors is an integer number (54774720).

Almost surely, 2^3895934994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3895934994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5258373120).

3895934994 is an abundant number, since it is smaller than the sum of its proper divisors (6620811246).

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

3895934994 is a wasteful number, since it uses less digits than its factorization.

3895934994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 63.

The square root of 3895934994 is about 62417.4254034881. The cubic root of 3895934994 is about 1573.5138404388.

The spelling of 3895934994 in words is "three billion, eight hundred ninety-five million, nine hundred thirty-four thousand, nine hundred ninety-four".